Management Team Sanemus AG

Michael Thiess, Dipl. - Kfm., Dipl. - Psych.

Michael Thiess, Dipl. - Kfm., Dipl. - Psych.


Michael Thiess is dealing with top management challenges in the Life Science and Healthcare industry for over 30 years. During his time with Roland Berger Strategy Consultants in Munich he was the responsible partner of the international Competence Center Pharma/Medtech respectively Healthcare/Non-profit-organizations for nearly 12 years. Besides his own consultancy MICHAEL THIESS Management Consultants he founded SANEMUS AG in 2006.

Sonja Hager, Dipl. - Ing., M. Sc., Certified Private Equity Analyst

Sonja Hager, Dipl. - Ing., M. Sc., Certified Private Equity Analyst

Member of the Management Board

Sonja Hager is Member of the Management Board at SANEMUS. She can refer to experience in the areas of business development, quality management as well as corporate finance and corporate development.

Besides that Michael Thiess is

  • Member of the advisory board of Alphaskill GmbH
  • Member of the board of directors of ProPharm AG, Bad Saulgau
  • Member of the Curatorium of the Katholische Stiftungsfachhochschule Munich
  • Managing Partner of MICHAEL THIESS Management Consultants

Michael Thiess- Professional career

  • Since 2006 Partner und Board of SANEMUS AG
  • Since 2002 Managing Partner of MICHAEL THIESS Management Consultants
  • 1989-2002 Partner of Roland Berger Strategy Consultants
  • 1984-1988 Research associate at the institute for marketing at the University of Mannheim


  • Studies of Business Administration and Psychology at the University of Mannheim, Diploma degree in Business Administration and Psychology

Sonja Hager- Professional career

  • Since December 2023 Member of the Management Board at SANEMUS AG
  • June 2021 – December 2023 Project Manager at SANEMUS AG
  • June 2019 – May 2021 Senior Consultant at SANEMUS AG
  • 2017 – 2019 Consultant at SANEMUS AG
  • 2015 – 2017 Business Analyst at SANEMUS AG
  • 2013 – 2015 Working student at SANEMUS AG
  • 2013 Working student at Morphosys AG in the division Corporate Finance and Corporate Development
  • 2012 Internship at SANEMUS AG
  • 2011-2012 Internship at GlaxoSmithKline in the division quality assurance
  • 2011 Internship at Ella Biotech
  • 2009 Internship at the Institute for Human Genetics of the TU Munich and Helmholtz Zentrum Munich


  • M&A-Training organized by P+P Pöllath + Partners
  • Certificate program „Certified Private Equity Analyst – CPEA organized by the TUM School of Management
  • Studies of Pharmaceutical Bioprocessing at the Technical University of Munich, Master of Science

Board of Directors

Dr. Theo Trucksaess

European Partner of Shentou Investment Co. Ltd. and Chairman of the Board of SANEMUS AG

Dr. Dr. Michael Dahm


Bernd Seibel

Business Angel
Dr. Theo Trucksaess – Professional career
  • Since 2015 European Partner of Shentou Investment Co. Ltd., Shenzhen/China
  • 2009-2014 Bank company Lampe, Munich
  • 1984-2008 diverse specialist and management tasks at HypoVereinsbank AG both domestically and abroad
  • 1981-1983 Promotion and Assistent at CAU, Kiel
  • 1975-1980 Studies of business administration, Saarbrücken
  • 1973-1975 Banking apprenticeship, Stuttgart
  • Born 1953
Dr. Dr. Michael Dahm – Professional career
  • Since 2008 CMO ORYX GmbH & Co KG
  • 1997-2007 Hexal AG (Genentech Forschungs GmbH, Hexal Biotech Forschungs GmbH)
  • 1994-1996 Clinic for Dermatology and Polyclinic at the Technical University of Munich
  • 1994 Doctorate dr. med at the Technical University of Munich and medical specialist examination in dermatology at the University of Florence
  • 1990-1992 University of Florence
  • 1987-1990 Postdoctoral Fellow at the Medical University of South Carolina
  • 1986-1987 Community hospital Munich-Bogenhausen
  • 1980-1986 Medical studies with doctorate and state examination
  • Born 1955
Bernd Seibel – Professional career
  • Since 2014 Business Angel and since the end of 2015 Manager of Zytoprotec GmbH, Vienna
  • Since 2013 Business Angel and Supervisory Board of Hummingbird Diagnostics GmbH
  • 2012 Interim CFO of the Deutsche Beteiligungs-AG, Frankfurt on the Main
  • 2011-2013 Chairman of the Supervisory Board, Manager and Liquidator FVGD GmbH, Groß Dölln
  • 1993-2010 CFO and General Partner of TVM Capital GmbH, Munich
  • 1991-1993 Project Manager Corporate Valuation and Corporate Finance of KPMG Deutsche Treuhand-Gesellschaft, Munich
  • 1988-1990 Studies of business administration, Cologne
  • 1986-1988 Basic studies of business administration, Munich
  • Born 1966