Management Team

Jean Chalopin


Jean Chalopin is an experienced creative entrepreneur and businessman.
As the Executive Chairman of Deltec International Group, a long-standing private bank, he has been instrumental to the negotiation, management, operation and successful exits of various funds and companies, especially in the biotechnology sector, in the US, Europe, Japan and China.

Ye Tian

Chief Executive Officer

Ye Tian is a seasoned investor in pharmaceutical companies and General Partner of Fortified Investment. Fortified Investment is affiliated with Deltec International Group, of which he has served on the board of directors since 2010.
Mr. Tian has also invested into and served on the board of several fast-growing high-tech companies. He has degrees in mathematics and economics from Harvard University, USA.

Pierre Charneau

Chief Scientific Officer, Founder

Head of the Molecular Virology and Vaccinology Research Unit and Director of the TheraVectys/Pasteur Joint laboratory at the Institut Pasteur, Paris. Chief Scientific Officer of TheraVectys.
Pioneer in lentiviruses virology research and Designer of lentiviral gene transfer vectors. Undoubtedly, he is the major contributor to the development of lentiviral gene transfer vectors. Inventor of numerous patents covering all developments of lentiviral vector applications.
Discoverer of the HIV nuclear import mechanism (DNA Flap).
Actively participated in pre-clinical studies for the treatment of adrenoleukodystrophy, which lead to the first successful human clinical trial involving lentiviral vectors.
Founded TheraVectys in 2005.

Estelle Besson

Clinical Operations Director

Estelle Besson has a Masters in Cellular and Molecular Biology and more than 20 years of progressive experience in Clinical Research from operational to management positions.
She successfully delivered several large international clinical trials, demonstrated team leadership and people management. Familiar with ICH-GCP, the regulations and all actors of the clinical research she leverages her expertise to bring the scientific discoveries into Clinical Operations.

Karen Krumeich

Chief Financial Officer

Karen Krumeich has served as Chief Financial Officer and Vice President of Finance for public and private emerging-growth, start-up and national companies in various sectors of healthcare, including pharmaceuticals, medical devices and healthcare service companies.
She has expertise in equity financings, both private and public, Sarbanes-Oxley compliance, acquisitions and integrations, strategic business development and operations analysis. Ms. Krumeich has degrees in Pharmacy, and Accounting.