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The AbbVie Ventures team is comprised of dedicated investment professionals across our three major U.S. locations: Boston/Cambridge, Chicago and San Francisco areas.


AbbVie Ventures team

Christian Schubert, Ph.D.

Head of AbbVie Ventures - Cambridge, MA 

Christian is a trained geneticist, neurobiologist, and biochemist with global big pharma and large biotech experience, and an ever-curious biotech startup mindset. He brings broad strategic and deep operational expertise in company creation, venture investing, external innovation, business development, and R&D to AbbVie Ventures. Passionate about drug discovery and value creation through scientific entrepreneurship to serve patients across the biopharmaceutical value chain, Christian has built and led successful partnering teams across biotech hubs in the US, Europe, and Asia-Pacific. 

Margarita Chavez, J.D.

Managing Director - Chicago, IL
Margarita contributes more than 20 years of deal-making experience, including 10 years in biotech and pharma. Margarita has led and managed investments in over a dozen biotech companies in the US and Europe.  

John Gustofson, MBA

Managing Director - Cambridge, MA 
John adds more than 20 years of industry experience ranging from business development and venture investing to operational experience across multiple startup biotech and global pharmaceutical companies.

Charles Kunsch, Ph.D.

Managing Director - Cambridge, MA 

Chuck brings nearly 25 years of venture investing, business development and R&D leadership experience from both biotech and pharma. A molecular biologist by training, Chuck began his career in drug discovery.

Jasmina Marjanovic, Ph.D.

Director - Cambridge, MA 
Jasmina is trained scientist with over a decade of combined experience in pharma and academic research. Prior to joining AbbVie Ventures, Jasmina was part of Search and Evaluation team sourcing strategic partnerships across all stages of asset development. As trained chemist with experience in chemical biology, Jasmina began her career in drug discovery.

Danjuma Quarless, Ph.D., MBA

Associate Director - Chicago, IL
Danjuma is a trained computational biologist with a background in human genomics and statistical genetics that started in the AbbVie Genetics Research Center before transitioning to AbbVie Ventures in the Corporate Strategy Organization. He joined the team after simultaneously completing the Strategy Leadership Development program and an MBA from the Kellogg School of Business at Northwestern. Danjuma is passionate about early cutting-edge science, novel drug development technologies, and external biopharmaceutical innovation to ultimately improve patient lives.

Ana Dossantos

Administrative Assistant - Cambridge, MA
Ana is an experienced admin with a background in biotech and a passion for supporting innovation. In prior roles she has specialized in event and meeting planning, corporate communication, and general administrative support for high-level executives.