Yvette Zimmerman, PhD – CEO



  • Master’s degree in Health Sciences, University of Maastricht, the Netherlands (1993).
  • Researcher at Janus Jongbloed Research Centre on Sports and Health, University Medical Centre, Utrecht, the Netherlands (1993-1994).
  • Global Project Manager, Kendle International, Utrecht, the Netherlands (1995-2000).
  • Clinical Research Scientist of the Global Clinical Development for the indications Contraception, Immunology, Infertility and Hormone Replacement Therapy, Organon, Oss, the Netherlands (2000-2006).
  • Joined Pantarhei Bioscience as of January 1, 2007 as Program Director.
  • PhD Thesis on Androgen Restored Contraception, University of Utrecht, the Netherlands (2014).
  • 2014-2018: COO at Pantarhei Oncology.
  • 2019: CEO at Pantarhei Bioscience and Pantarhei Oncology

Herjan J.T. Coelingh Bennink, MD, PhD – President



  • MD, Erasmus University Rotterdam, the Netherlands (1969).
  • Residency Internal Medicine and Gynaecology/Obstetrics, University Hospital Leiden and University Hospital Utrecht, the Netherlands (1969-1976).
  • Fellowship Centre for Research in Reproductive Biology, University of Michigan, Ann Arbor, USA (1974).
  • Board Certification Gynaecology/Obstetrics, the Netherlands (1976).
  • PhD Thesis on Gestational Diabetes, University of Utrecht, the Netherlands (1980).
  • Head of Reproductive Endocrinology, Department of Obstetrics/Gynecology, University Hospital Utrecht, the Netherlands (1976-1987).
  • Global Executive VP of Clinical Development in Reproductive Medicine (RM), Organon, Oss, the Netherlands (1987-1997).
  • Global Executive VP RM: responsible for R&D and pipeline in RM, Organon, Oss, the Netherlands (1997-2000).
  • Professor Reproductive Medicine, Dutch speaking Free University Brussels (1997-2007).
  • Founder of Pantarhei Bioscience on January 1, 2001.

Michiel Meurs, MSc – CFO



  • Master’s degree in Management Sciences, Erasmus University Rotterdam, the Netherlands (1973).
  • Management trainee ABN, Amsterdam, the Netherlands (1976-1978).
  • Investment Banking Representative ABN Singapore (1979-1983).
  • VP Treasury & Derivates, ABN Amsterdam, the Netherlands (1983-1989).
  • SVP ABN AMRO, Rotterdam, the Netherlands (1990-1991).
  • VP Finance Royal Ahold, Zaandam, the Netherlands (1992-1995).
  • SVP Business Development Royal Ahold, Zaandam, the Netherlands (1995-1996).
  • Member of the Executive Board and CFO of Royal Ahold, Zaandam, the Netherlands (1997-2003).
  • Independent financial consultant (2003-date).

Olav Andriesse, LL.M MBA – General Counsel and Business Development Officer

Olav Andriesse


  • Master’s degree in Dutch business and tax law, Erasmus University Rotterdam, The Netherlands (1993 and 1995)
  • Attorney at law at CMS, associate (1996- 2000).
  • Attorney at Houthoff, associate (2000-2002).
  • Co-founder/attorney at law at Norton Rose, branch office in Amsterdam, senior associate (2002-2005).
  • Partner Baker & McKenzie in Amsterdam, Head Real Property & Projects department (2005-2009).
  • Self-employed attorney before and during a world trip with my family, followed by a brief alliance as partner of law firm Dijkstra Voermans (2009-2010)
  • Founder and Managing Partner of Lexsigma Advocaten/Lexsigma Healthcare (2011-2018).
  • MBA at Rotterdam School of Management (OneMBA programme) (2014-2016)
  • Delegated managing director Oxytone Bioscience B.V. (2017 – present)
  • Founder and partner of Galatea Advocaten (2018 – present)
  • Founder and partner of Expert Board (2017- present)
  • Founder and board member of Stichting Mijn Levensbericht (2018 – present)
  • General Counsel and Business Development Officer Pantarhei Bioscience and Pantarhei Oncology (2018 – present)

Jan Krijgh, MD, MSc – CMO


  • Master’s Degree in Biochemistry; research: characterisation of the insulin receptor, Brown University, USA (1981).
  • Medical Doctor, University of Utrecht Medical School, the Netherlands (1985).
  • Clinical training in pediatrics and residency in family medicine, board certification (1985-1991).
  • Private practice in family residence (1991-date).
  • Founder of a research organisation for the monitoring of patients with diabetes mellitus (2004-2011).
  • Founder and director of a postgraduate training program for physicians (2002-date).