Management




Accounting

















Audit







HR



















Legal



Tax















Business Support Zurich



Business Support Zug




Marketing

Philippe Keller

In the team since: 2001
lic. oec. publ.,
Swiss-certified auditor,
IAS/IFRS accountant
Based on his long-standing experience in the field of auditing, Philippe Keller today advises and supports our clients in all aspects of auditing and corporate development. He also acts as an assessor.
Peter Rüegsegger

In the team since: 2019
lic. rer. pol.,
Certified auditor
Peter Rüegsegger heads the auditing division. He has long-standing experience in executing and managing complex international audit mandates. His main areas of expertise include auditing consolidated financial statements (Swiss GAAP FER/IFRS), preparing appraisal reports and developing internal control systems.
Manuel Wiederkehr

In the team since: 2006
Postgraduate Diploma in Insurance Management (Institute of Insurance Economics, University of St. Gallen),
Certified in PCM (Process Communication Model)
25 years of experience in all major HR functions, especially HR strategy development, national and international HR management over the entire life cycle, employment law, the development and implementation of compensation systems and HR processes.
Urban Scherrer

In the team since: 2023
Executive MBA in Digital Transformation (Chur University of Applied Sciences, 2017-2018)
Urban Scherrer has over 20 years of experience at senior management level. He has implemented innovation and digital transformation through the latest forms of technology in a large number of projects.
As CTO and CEO of cash.ch for many years, he is well acquainted with modern project methods, employee management and customer benefits
Beth Baumann

In the team since: 2001
Beth Baumann has been handling payroll and accounting mandates for many years. She also provides support in preparing tax returns for individuals and legal entities.
Ursina Bivetti

In the team since: 2013
Bachelor of Arts in Business Administration FH
Ursina Bivetti is responsible for national and international mandates in bookkeeping, accounting and HR.
She can draw on the extensive expertise gained from her auditing and consulting activities.
Iliriana Blakaj

In the team since: 2018
Bachelor of Science in Business Administration ZFH
Iliriana Blakaj works as an assistant in the trusts sector. Her responsibilities include managing financial and payroll accounting, preparing annual financial statements and supporting internal accounting.
Dajana Damjanovic

In the team since: 2021
Training to become a Swiss-certified fiduciary specialist
Dajana Damjanovic has long-standing fiduciary experience and served national and international clients for several years.
Her main areas of expertise are accounting, HR and VAT.
Anina Förster

In the team since: 2022
Anina Förster worked in the fiduciary sector for several years. After a family break, she supports the fiduciary team.
Käthi Frischkopf

In the team since: 2013
Swiss Certified Fiduciary Expert
Käthi Frischkopf advises clients on bookkeeping, financial and accounting planning. The main focus of her work is on accounting, tax and social security issues for domestic corporations with international links.
She supports wealthy individuals and decision-makers in their financial matters, particularly with regard to taxes and insurance.
Alejandra Maria Hengartner

In the team since: 2023
Alejandra Maria Hengartner has many years of experience in the fiduciary sector. Her main areas of expertise are accounting, value added tax and taxation.
Markus Hugger

Markus Hugger has made a name for himself over many years as an expert in trust and tax matters. Following the takeover of his company Hugger Treuhand AG by Treureva AG, he is now all the more pleased to continue working for clients.
Stephan Ill

In the team since: 2023
Swiss-certified finance and accounting specialist, financial planning expert / marketing planner
Stephan Ill worked for many years as a self-employed fiduciary. He mainly advised private clients on tax issues, but also assisted legal entities with matters involving asset and insurance consulting in all areas such as accounting, payroll accounting, value added tax, tax returns, social insurance and founding companies.
Patrick Kessler

In the team since: 2018
Executive Master of Business Administration (EMBA) Kalaidos FH,
Swiss-certified finance and accounting specialist
Patrick Kessler has been working in the consulting industry for many years and has also gained experience as the CFO of an international finance company. He looks after national and international mandates in various areas.
Claudia Lomir

In the team since: 2023
Swiss Certified Fiduciary Expert
Claudia Lomir has many years of fiduciary experience and has looked after national and international clients for many years. Her main areas of expertise are accounting, human resources, business consulting as well as VAT and taxes.
Chiara Lo Presti

In the team since: 2015
Swiss-certified fiduciary specialist
Chiara Lo Presti has been working in the fiduciary sector since she completed her basic commercial training. She has been working for clients from various industries for many years, mainly in the field of payroll administration and processing.
Blerton Mehmeti

In the team since: 2018
Training to become a Swiss-certified fiduciary specialist
Following an internship as part of his training, Blerton Mehmeti joined the trust team as an administrative assistant.
Eveline Müller

In the team since: 2023
Advanced Federal Diploma of Higher Education in Business Administration
Eveline Müller has several years’ experience in the financial and accounting sectors. Her main duties are accounting and drawing up the annual financial statements. She also provides support with various tax-related projects and clarifications.
Fisnik Shabani

In the team since: 2017
Swiss-certified business economist
Fisnik Shabani is heavily involved in bookkeeping, accounting, HR and taxes at Treureva.
He also advises multinational companies on business management issues and is responsible for introducing new mandates.
Werner Weber

In the team since: 2017
Certified expert in accounting and controlling
Werner Weber has extensive professional experience in finance and accounting. As account manager, he handles national and international accounting and supports clients in particular with payroll and HR administration. He also focuses on international accounting for corporations.
Monika Zimmermann

In the team since: 2022
Swiss-certified business economist
Monika Zimmermann worked in the fiduciary sector for several years. At Treureva, she manages the company's internal accounting and provides operational support to the administration team.
Bianca Caravina

In the team since: 2022
Currently studying to be a business economist
Bianca Caravina joined the audit team of Treureva Group in December 2022. Her main activities include the audit of commercial and service companies as well as the audit in the field of occupational benefits. On the side, Bianca Caravina is completing her studies as a business economist.
Mirco Marcarini

In the team since: 2021
Amira Othmani

In the team since: 2023
Amira Othmani has been part of the audit team since 2023. Her main work involves auditing service and industrial companies as well as foundations. She has worked for a Big Four firm in Germany and has also gained experience outside the auditing sector, which underlines her versatility.
Laura Sahli

In the team since: 2020
M.A. HSG,
Certified Auditor
In her capacity as Head Auditor for ordinary and limited audits, Laura Sahli looks after SMEs in the industry and services sectors.
She completed her professional training at one of the “big four” companies, initially working in the field of bank auditing before switching to the field of insurance company and pension institution auditing.
Due to her long-standing experience as an auditing expert, her area of responsibility includes both the auditing of annual financial statements pursuant to Swiss GAAP FER and the Swiss Code of Obligations and special audits.
Philippe Schindler

In the team since: 2018
Studying for a bachelor’s degree in business administration, specialising in accounting/controlling/auditing
Philippe Schindler has been supporting the Treureva audit team since 2018. His main activities focus on the auditing of trading and service companies, as well as audits relating to occupational pension plans. In addition to his work, Philippe Schindler is studying for a degree in business administration.
Donatella De Toro

In the team since: 2022
MAS HUMAN CAPITAL MANAGEMENT
During her career to date, Donatella De Toro has worked in a range of cross-functional positions, which have required good consulting skills and high levels of understanding . She has also gained many years of experience across the entire HR life cycle and is passionate about employment law.
In her role at the Treureva Group, she collaborates closely with our clients to overcome challenges, optimise internal processes and improve HR management. She also provides support for all HR-related issues.
Daniela Falett

In the team since: 2023
Swiss-certified HR specialist, CAS in innovative HR Management
Daniela Falett has many years of experience in the entire HR lifecycle. She has knowledge of many different industries and takes over the tasks of the HR department as an outsourced partner. Her personal strengths lie in recruitment as well as consulting.
Elena Hegglin

In the team since: 2021
Business employee with vocational baccalaureate, Human resources assistant with HRSE qualification
At Treureva Elena Hegglin works as an HR specialist supporting the advisory team in the full range of administrative issues as part of the recruitment process. She is also the contact for various other HR-activities.
Elena Hegglin is responsible for all administrative work within the firm in Zug. She is in charge of the company's internal accounting and assists in all business projects. She also assists our attorneys and notaries with notarial certificiations and apostilles.
Savia Kistler

In the team since: 2023
At Treureva, Savia Kistler supports the payroll department as an HR administrator. She also supports the team in various areas of human resources.
Nadine Leuthold

In the team since: 2018
Commercial training
Nadine Leuthold has been working in payroll accounting and financial accounting for many years. She has gained experience in various industries. In the Treureva Group, she is responsible for assisting numerous clients in their payroll processing.
Michelle Limacher

In the team since: 2022
Advanced federal diploma of higher education in business administration, federal diploma in human resources, and CAS in occupational health management
Michelle Limacher has been working in HR in a range of sectors for a great many years. Besides her in-depth expertise in payroll and social security, she has very good knowledge of occupational and private pension schemes. She has assisted several companies with their process management projects and with changes to HR applications.
At the Treureva Group, she advises and supports various clients on all HR-related topics.
Susanne Mattle

In the team since: 2019
Swiss-certified HR specialist
Susanne Mattle has a wealth of experience in HR as an HR manager in an SME in the construction machinery industry, and in consulting, where she was responsible for all HR disciplines. Her switch over to HR consulting was a logical step for her to use her versatile expertise for our clients and provide them with support for the daily challenges they face in HR work.
Annalis Nievergelt

In the team since: 2021
Swiss-certified business economist
Annalis has many years of experience in the areas of financial and payroll accounting as well as personnel administration.
Christian Päsler

In the team since: 2022
Payroll specialist NBW
Christian Päsler has several years of experience in the areas of payroll processing and payroll accounting, accounts receivable / payable management, financial accounting and personnel administration.
At Treureva Group, he is responsible for the payroll processing of various clients.
Diana Richard

In the team since: 2022
Ms Diana Richard has gained many years of extensive experience installing and maintaining Abacus software as well as payroll processing.
She notably helps our clients to set up payroll and financial accounting functions in Abacus and develops and implements complex interfaces to and from Abacus in order to automate data exchange.
Marco Rickenbacher

In the team since: 2018
Swiss-certified social insurance specialist,
Swiss-certified financial planner,
IAF-certified financial consultant
Marco Rickenbacher is a pension fund and personal insurance specialist who advises our clients and their employees in these and other related areas. He is also responsible for the insurance sector.
He has been working in the insurance industry for over 20 years, mainly in occupational and private pension plans. Since 2011 he has been actively supporting clients with neutral and independent advice.
Simone Rüttimann

In the team since: 2023
UAS degree in business economics, HR Specialist with a Federal Diploma of Higher Education, CAS in the Fundamentals of Psychology
Simone Rüttimann has long-standing experience in all issues relating to the HR life cycle, particularly in the healthcare system. Her strengths are consulting and process optimisation. For the Treureva Group, she supports our clients in various personnel matters and handles the tasks of the HR department as an outsourced partner.
Yves Schneckenburger

In the team since: 2007
lic. oec. University of St. Gallen
As HR Manager, Yves Schneckenburger is responsible for all HR topics within the Treureva Group.
In addition, Yves Schneckenburger is responsible for various clients as a client manager in HR consulting and payrolling. He also performs various internal cross-sectional functions.
Eveline Schüeber

In the team since: 2022
Human resources assistant with HRSE qualification
At Treureva Eveline Schüeber works as an HR specialist supporting the advisory team in the full range of administrative issues as part of the recruitment process. She is also the contact for various other HR-activities.
Rhea Schweizer

In the team since: 2021
Human resources assistant with HRSE qualification
At Treureva Rhea Schweizer works as an HR specialist supporting the advisory team in the full range of administrative issues as part of the recruitment process. She is also the contact for various other back office/administrative activities.
Sonja Schweizer

In the team since: 2014
lic. oec. University of St. Gallen,
Postgraduate studies in solutions-oriented coaching
Sonja Schweizer has many years of experience in the entire HR life cycle, and in coaching executives. She also helped steer several launches of HR applications and ensured their correct technical implementation.
For the Treureva Group, she looks after our clients in all personnel matters and handles the tasks of the HR department as an outsourced partner. She is also a project manager and a specialist for employment law-related issues.
Barbara Spaeni

In the team since: 2015
Swiss-certified HR specialist
Barbara Spaeni is responsible for handling the issues and concerns of various clients at Treureva. She provides support in wage rounding processes, in developing various tools, such as MBO appraisals, certificate generators and wage rounding tools. She also supervises recruitment for clients, works on other HR projects, and handles traditional operational HR tasks for clients.
Jannis Flachsmann

In the team since: 2018
lic. iur.
Attorney, notary, LL.M.
Jannis Flachsmann’s preferred fields of practice include corporate law, commercial and business law, financial market law, contract law, employment law, tenancy law, construction and real estate law, civil procedural law and debt enforcement and bankruptcy law.
He acts in an advisory capacity as well as in litigation.
Being licensed as a notary, he also provides certification services to clients.
Oliver Habke

In the team since: 2014
lic. iur.
Attorney and notary
Many years of experience in advising companies on commercial, stock exchange and corporate law issues; also on restructuring and M&A transactions. Advises private individuals on various civil law issues.
As a lawyer and notary, he provides support in the above areas with regard to both certification and court proceedings.
Diana Krasnic

In the team since: 2022
Attorney and Notary, MLaw
Diana Krasnic's preferred fields of practice include corporate law, contract law, employment law, civil procedural law and debt enforcement and bankruptcy law. She acts in an advisory capacity as well as in litigation. Being licensed as a notary, she also provides certification services to clients.
Reto Giger

In the team since: 2011
lic. iur.
Certified Tax Expert
Reto Giger advises medium and large companies operating in Switzerland and abroad and high net worth individuals with a Swiss connection. He coordinates all aspects of relocations and optimises structures and transactions in a targeted manner.
His network enables him to supports his clients in business development as well as tax and legal optimisation.
Karin Grossenbacher

In the team since: 2016
BSc in Business Administration,
MAS in Swiss & International Taxation/LL.M.
Karin Grossenbacher is responsible for all tax-related matters at Treureva. She advises both national and international private individuals and companies. After starting her career at a Big Four company, she moved to tax consulting in the SME sector. Based on her long-standing experience as a tax consultant, she can offer our clients comprehensive advice.
Eliane Horat

In the team since: 2021
Bsc in business law
Certified Tax Expert
Eliane Horat advises national and multinational companies and their shareholders on tax issues involving Switzerland. She advises on transactions in connection with establishing, financing, restructuring, reorganising and liquidating companies.
She also assists private individuals with succession planning, relocations and tax formalities.
Silvia Ineichen

In the team since: 2012
Swiss Certified Fiduciary Expert
Silvia Ineichen has many years of professional experience as a fiduciary. As head of account, she looks after medium and large companies operating in Switzerland and abroad and high net worth individuals (family offices).
She provides clients with full support from bookkeeping, financial and account planning, budgeting processes to all tax and social security filings.
Christoph M. Meier

In the team since: 2021
lic. oec. publ., Certified VAT Expert
Christoph M. Meier advises Swiss and international small, medium and large companies on VAT and customs matters in Switzerland, Europe and worldwide.
He coordinates and reviews structures and transactions and guides clients in their correct implementation.
He also supports companies in their dealings with the VAT and customs authorities.
He acts as a VAT fiscal representative and is also a lecturer and audit expert.
Florian Muharemaj

In the team since: 2023
Swiss-certified fiduciary specialist, in training to become a certified tax expert
Florian Muharemaj has been working in the fiduciary sector since 2015. He advises individuals and legal entities on tax and social security matters and has many years of professional experience in accounting, financial statement planning, payroll administration, VAT and advising clients in both national and international environments. He is currently in training to become a certified tax expert.
Sabina Paltarzhytskaya

In the team since: 2023
BSc in business law,
in training to become a certified tax expert
Sabina Paltarzhytskaya advises individuals and legal entities on matters relating to tax law and social insurance law. She started her career with a fiduciary and tax consulting company where she gained experience in bookkeeping, financial account planning, payroll administration, value added tax and consulting for national and international clients. She is in training with ExpertSuisse to become a federally certified tax expert.
Anna Schreiber

In the team since: 2022
Postgraduate Federal Diploma of Higher Education in Taxation
Master of German Laws (L.L.M, Bonn)
Master of Russian Laws (MFUA, Moskau)
Anna Schreiber's main areas of activity include supporting individuals and legal entities on all matters relating to tax law. She assists the account manager in tax consulting and planning as well as with inquiries of our foreign partner firms.
Sven Steger

In the team since: 2023
Bachelor of Science in Business Administration, Master of Advanced Studies in Swiss and International Taxation / LL.M Swiss and International Taxation
Sven Steger is a business economist and has been working with tax matters for more than ten years. After completing his studies in business administration, the qualified commercial specialist started his career at one of the "big four" companies. He then joined one of the cantonal banks where he acquired in-depth knowledge of investments, real estate, pension provision and inheritance matters. While working for a medium-sized fiduciary company he specialised in providing holistic advice to small- and medium-sized enterprises as well as their owners and employees.
On account of his professional career and interests, Sven Steger is well-versed in a number of advisory topics. In tax matters, his focus falls on income, wealth and withholding tax as well as adjacent tax types such as inheritance and gift taxes and property gains tax.
Jutta Triches

In the team since: 2023
Attorney-at-law (LMU Munich), Trained to become a federally certified tax expert
Jutta Triches is a tax advisor specialised in the taxation of legal entities and natural persons at both Swiss and international level. She has already advised legal entities and natural persons in Germany. At a Big Four firm in Zurich, she advised legal entities on compliance matters and various transactions. In her role as a EMEA tax manager for a US multinational, she was primarily responsible for tax reporting (including US GAAP tax provisions) and all tax matters.
Andreas Tschannen

In the team since: 2023
Master of Law UZH, MAS SUPSI in Business Law
Andreas Tschannen has been a tax advisor since 2001, specialising in the taxation of individuals in Switzerland and the international taxation of executives, as well as in social security and pension law issues (especially in the areas of subordination and contribution law). During this time he has worked in large international tax consulting firms. Before taking up consultancy work, he worked as a tax commissioner at the Aargau Cantonal Tax Office.
Seraina Waldburger

In the team since: 2021
Master of Arts UZH in management and economics
Seraina Waldburger’s main areas of activity include advising individuals and legal entities on all matters relating to tax law. In the fiduciary area, she supports clients in bookkeeping, account planning, payroll and value added tax
Christian Wasser

In the team since: 2020
Mag. iur. (Vienna), Certified Tax Expert
Christian Wasser is a tax adviser in the field of taxation of legal entities and natural persons both in Switzerland and abroad. He can call on almost 20 years’ experience acquired in the tax department of one of the “big four” and as Tax Manager / Global Head Individual Taxation in a global family office advising multinational groups, both privately owned and listed on the stock exchange, family businesses, companies and private individuals including HNWIs.
Christian Wasser is joint author of a number of publications on Swiss tax law and is also a lecturer in the tax expert course organised by the EXPERTsuisse professional association.
At Treureva, he is Head Auditor in the field of taxation.
Ursula Bryner

In the team since: 2023
Ursula Bryner has many years of experience as a commercial employee in the most varied of industries. At Treureva, she supports the team in the back office and at reception.
Severin Strebel

In the team since: 2023
Severin Strebel is completing his one-year internship at Treureva Ltd as part of his training at the Wirtschaftsmittelschule of the Kantonsschule Baden.
Isabella Sutter
Assistant to the board of directors and executive board
+41 58 255 72 47isabella.sutter@treureva.ch

In the team since: 2005
Swiss-certified executive assistant
Isabella Sutter is responsible for the entire back office at Treureva. She has many years of experience as an assistant to the board of directors and executive Board. In this role, she acts as a secretary to the board of directors for various companies.
As a vocational trainer, she is also the contact person for the training of interns.
Nika-Marie Ban

In the team since: 2023
Federal VET Diploma (EFZ) in business and commerce, Profile E (extended vocational training)
Nika-Marie Ban is responsible for all administrative work. She manages the company’s internal accounting and takes part in all business management projects. She also supports our lawyers and notaries with notarial certifications and apostilles.
Carmen Huber

In the team since: 2020
Apprenticeship as a commercial employee with federal VET diploma, extended-profile
Training to become a certified business manager (institut of higher vocational education)
Carmen Huber is responsible for the administrative management of the law firm. She manages the internal accounting and participates in all business management projects. Furthermore, she supports the partners in all operational management tasks and heads the Business Support Team.
Mirjam Vonwil

In the team since: 2014
Swiss-certified executive assistant
Mirjam Vonwil supports her two colleagues in all of the firm’s administrative work. She is also responsible for dunning and tax deadline management. In addition, she supports our attorneys and notaries in notarial certifications and apostilles.
Severin Bucher

In the team since: 2022
Master of Science in Business Administration with a Specialization in Marketing
At the Treureva Group, Severin Bucher is responsible for the conception, planning and implementation of various marketing projects. He also supports us in the continuous optimisation of our digital marketing activities.