additiv AG

Our international management team with a proven track record in transforming the financial services industry.

CEO

Michael Stemmle

CEO

Long-term consulting activity with a focus on the development and implementation of business, sales and distribution strategies for the financial and insurance industries.

Executive Board

Thomas Achhorner

Head Asia Pacific

Over 30 years of delivering innovation in financial services and technology. Enterprise architect, strategic advisor and program director. Took a digital start-up in the travel and entertainment space from founding to exit. MSc Computer Science, ETH Zurich.

Thomas Schornstein

Head Sales & Marketing

Very profound understanding how to drive growth successfully in the wealth management business. 20 years executive track record with an international leading financial institution. MBA in Banking and Finance (MA UZH).

Silvan Schriber

Chief Product Officer & Head Compliance

More than 20 years of experience in management consulting, in project and change management, and in management positions in private banking and wealth management. PhD in Finance & Capital Markets and Master in Banking (University of St. Gallen).

Roger Stettler

Head Consulting

Long-term consulting activity with a focus on business model innovation, building new target operating models and new distribution strategies in financial services. PhD in Banking and Corporate Finance HSG.

Adrian Weiss

Chief Operating Officer

More than 20 years of international wealth management experience with leading global banks. Strong expertise in digital transformation, advisory process and product management. MBA INSEAD and Master of Law.

Corporate Functions

Birgit Wohlfahrt

CFO

Financial Executive with longtime broad experience in all aspects of financial management, accounting, controlling and auditing. Professionally certified Management Accountant (CMA, USA) and Chartered Accountant (ACCA, UK).

Contact us

Our management team is happy to support you in transforming your business for the digital age.

We look forward to discussing and understanding your challenges and to find smart solutions.

Contact us