Management Team

Opterion is led by a management team with proven experience, skills
and significant global expertise aligned to our company goals.

Peter Reinemer

CEO

Daniel Lustenberger

CFO

Guido Grentzmann

Founder / CSO

Mylène Fleurant

Head of Quality

Ulrike Grimm

Head of Project Management

Marc Willuhn

Head of CMC

Björn Englund, Chief Executive Officer

The Board of Directors of Opterion Health AG has appointed Björn Englund as CEO of the Company as of April 2021. Björn started his professional career in 1991 as a sales representative at the Gambro Distributor in Saudi Arabia, gradually took over further responsibilities, and in 1996 he became a Managing Director of Gambro Healthcare Sweden AB. He left Gambro in 2006 and moved to Euromedic where he was Vice President of the Dialysis division until 2011. For the next six years he was the President and CEO of DaVita EMEA, and in 2017 was promoted to COO of DaVita International. He left DaVita in 2018 and has since been an Industrial Advisor for EQT, Stockholm.

Daniel Lustenberger, Chief Financial Officer

Daniel Lustenberger is an experienced international finance, accounting and management consulting professional and joined Opterion Health in September 2021 as Chief Financial Officer (CFO). He is a Swiss Certified Public Accountant, holds an Executive MBA from IMD in Lausanne and has 20 years of life sciences and technology experience.

Daniel supports several start-ups and growth companies, particularly in the life sciences and high tech sectors, as a part-time CFO, business advisor and board member.

Prior to Opterion, he held senior finance positions with Vifor Pharma, Gategroup and DKSH. In his early career, he spent several years with PwC, providing advisory services in M&A, IPOs, process and system improvements, corporate governance and risk management.

Guido Grentzmann, Founder / Chief Scientific Officer

Dr Guido Grenzmann, PhD, is the founder of Opterion Health and has more than 25 years of experience in Pharma R&D and Project Management. After academic work on bacterial and viral mechanisms of translational regulation, he became Group Leader Molecular Biology/Genomics at Pfizer and Director Biochemistry/GeneProfiling at Altana Pharma where he worked in Discovery of inflammation in respiratory diseases. In 2007 he founded PBS PharmaBioServices providing contract research and consulting mainly in inflammatory diseases, in multiple therapeutic domains. 2012, Guido founded Opterion, with the aim to develop a new PD solution, to decrease side-effects of this promising therapy.

Mylène Fleurant, Head of Quality

Mylène Fleurant joined Opterion Health in July 2021 as Head of Quality having spent more than 20 years in leading quality (QA) functions in the life sciences industry. She worked for 10 years as Region Head Quality Europe at Novartis and implemented global quality systems at Merck Serono. Prior to founding her own consulting company in 2019, Mylène was Global Head of QA at Novimmune and VP Quality Affairs at Alvotech.

Mylène is a chemical engineer and holds a master’s degree from the University of Sherbrooke, Canada, as well as a degree in Quality Assurance Management from L’Ecole de Technologie Supérieure (ETS) at the University of Quebec.

Peter Reinemer, Chief Executive Officer

Peter Reinemer, PhD, MBA, has been appointed as Chief Executive Officer (CEO) of the company as of February 2023. He joined Opterion in July 2021 as Chief Technology Officer (CTO) and will assume this position in addition to his new role for the time being.

Peter has more than 30 years of experience in the pharmaceutical and biotechnology industries, and began his career at Bayer Pharma, where he spent over 10 years in discovery research in Germany and Japan. He subsequently served as Chief Scientific Officer, Head of Business Development, Chief Operating Officer and Senior Vice President, Corporate Development, of Proteros, a discovery services company based in Munich and Boston. He co-founded IMD Natural Solutions, developer of the all-natural preservative agent Nagardo^®, which was acquired by Lanxess AG in 2017. Peter holds a Master in Chemistry, a PhD from the Max Planck Institute for Biochemistry/TU Munich (Structural Biology, Prof. Dr. Robert Huber), and an MBA.

Ulrike Grimm, Head of Project Management

Opterion Health engaged Ulrike Grimm in June 2020 to establish project excellence for its development program.

Ulrike started her career as a sales representative for Sanol Pharma and joined Merck KGaA in 1997, where she held roles of increasing responsibility starting as team leader for R&D projects and continuing as product leader for Merck’s second commercial oncology drug.

From 2007 to 2010 she was the Vice President of Project and Portfolio Management at Fresenius Biotech. Ulrike joined Vifor Pharma in 2010 and served as the Vice President for Project and Alliance Management as well as Clinical Operations during the next eight years. In 2019 Ulrike started her own consulting company Pro2S AG.

Marc Willuhn, Head of CMC

Marc Willuhn joined Opterion in January 2023 as Head of CMC. Marc has more than 20 years of experience in drug development for global markets. He has an outstanding track record in pharmaceutical product development, resulting in several approved products. Marc held senior leadership roles at Fresenius Kabi and Baxter Healthcare before founding his own company in 2018, providing technical and strategic consulting services to life sciences companies. Marc holds a master’s degree in chemistry (Gerhard-Mercator-University Duisburg, Germany) and a PhD in organic chemistry from the Max-Planck-Institute for Coal Research in Mülheim/Ruhr, Germany. He completed postdoctoral studies at the Faculté de Pharmacie in Paris, France, and also holds an MBA.