

Olivier Dubuisson
Managing Partner

Catherine Boule
Managing Partner

Yvan-Michel Ehkirch
Partner

Baudouin Hue
Partner

Michael Thomas
Investment Manager

Benjamin Zerbib
Investment Manager

Agathe Testu
Compliance Officer

Elodie Feraille
Office Manager
Olivier Dubuisson
Managing Partner
Olivier began his career as a Telecom Engineer before holding various Technical Sales positions. In 1997, he became Commercial Director of Aqsacom, a telecommunications company specializing in network management.
As a co-founder and Managing Partner of Karista, Olivier is involved in the overall management of the firm, focusing in particular on business development aspects. He is investing in Digital and Engineering fields. He represents Karista at the board of several portfolio companies such as Nexdot and Precogs. He was also an investor and board member of various successful companies including DBV Technologies (listed on Nasdaq: DBVT), AlephD (acquired by AOL) and Sequans Communication (listed on NYSE: SQNS).
Olivier holds a MSc in Micro-Electronics from the University of Bordeaux and an MBA from Paris IAE.
Catherine Boule
Managing Partner
Catherine’s career began at Institut Curie as molecular biology researcher. She then joined Ile de France Innovation where she assisted several Biotech and MedTech companies in their development.
Joining Karista in 2003, Catherine is the Managing Partner in charge of the Healthcare portfolio. She is involved in the overall management of the firm, particularly involved in fundraising activities and investors relations. Catherine is investing in Healthcare and Digital Health ventures. She represents Karista at the board of several portfolio companies such as Acticor Biotech, Eyevensys and Incepto. She was also part of the board of Echosens (acquired by Furui Group), Erytech Pharma (listed on Nasdaq: ERYP), Nanobiotix (Listed on Euronext: NANO) and many other successful companies.
Catherine holds a MSc in Molecular Biology from University Pierre and Marie Curie and graduated in Innovation Management from AgroParis Tech.
Yvan-Michel Ehkirch
Partner
Yvan-Michel began his career in 1991 in the software industry. He spent 10 years in marketing, business development and management at large international software vendors and was the European Marketing and Development Director at US-based Engineering Animation Inc. (now Siemens PLM).
Since 2001, Yvan-Michel works in the Venture Capital industry and is an active contributor of the investment and innovation ecosystem of high growth startups. He is board member of several innovative companies such as Web Geo Services and TheGreenData. He was an investor and a board member of Comiteo (acquired by Natixis) and GreenPoint (acquired by WebHelp). He is focusing on Digital & Tech ventures and is particularly in charge of the Paris Region Venture Fund at Karista.
Yvan-Michel holds a MSc in Computer Science from ESIEA.
Baudouin Hue
Partner
Baudouin started his career in Canada as Lean Manufacturing Engineer. In 2009 he joined Bureau Veritas where he was responsible for the development and launch of new certification services worldwide, leading several insider start-up and scale-up assignments with focus on business development.
Joining Karista in 2014, Baudouin is mainly involved with Healthcare and Digital Health ventures. He also actively contributes to fundraising and overall development of the firm. Baudouin is a board member or observer of different portfolio companies: Implicity, Pherecydes Pharma, Tricares and Watchfrog.
Baudouin holds a MSc in Engineering from the University of Technology of Compiègne and graduated from ESSEC Business School. He also studied in Spain (Universidad de Valladolid) and Canada (University of Waterloo).
Benjamin Zerbib
Investment Manager
Benjamin started his career in the venture capital industry at Clipperton Finance, a corporate Finance advisory firm dedicated to high-tech companies and Gimv a pan-European private equity and VC firm. He then joined Ares & Company a strategy consulting firm focused on the Financial Services industry, before moving to Happn, a dating app with more than 75M users, where he was in charge of strategic partnerships.
Benjamin joined Karista in 2018 and is mainly looking at Digital ventures. He is a board member or observer of AdmoTV, CozyCozy, UpFactor, Misakey, Tallano Technologies, and TheGreenData.
Benjamin graduated from EDHEC Business School and studied in Hong Kong (HKUST) and South Africa (University of Stellenbosch).
Michael Thomas
Investment Manager
Michael started his career in 2011 at Grant Thornton where he advised major companies as an M&A consultant. He then moved to Canada to lead the North American strategy and business development of Sicame, a leading company in energy transmission & distribution. From 2016 to 2018, he was the co-founder & CEO of a NewSpace tech start-up specialized in innovative small satellite optical systems for Earth Observation.
Michael joined Karista in 2018 to shape CosmiCapital. He has a strong focus on Tech and Digital Health investments. He is a board member or observer of Incepto and Exotrail.
Michael holds a MSc in Engineering from ENIM and graduated from ESSEC Business School. He also studied in Canada (McMaster University).
Agathe Testu
Compliance Officer
Agathe began her career in 2007 as legal counsel at Integragen, a Biotech company developing genome analysis and In-Vitro diagnostics where she led all legal and IP company matters. In 2011 she joined Emertec, a venture capital firm dedicated to CleanTech, and was in charge of financing and legal matters of the company’s portfolio.
Joining Karista in 2017 as General Secretary, she leads legal aspects, as well as compliance, reporting, risks and back office processes.
Agathe graduated in Biotechnology and Business Law (University of Tours). She also studied in Norway where she graduated in European Commercial Law (University of Oslo).
Elodie Feraille
Office Manager
Elodie began her career in 2001 as Sales Associate for a cosmetic products wholesales group, then moved to Nornes, an international trade and transportation company where she assisted the CEO.
Joining Karista in 2010, Elodie is responsible for administrative management. She manages Karista’s administration and is the main contact for the accounting, social and legal matters. She is also in charge of daily office management, procurement and leads several back-office processes. At last, she is involved in the planning and logistics of events held by the firm.
Elodie holds a scientific bachelor’s degree and a BSc in Cosmetology from Ecole Françoise Morice in Paris.