Our Leadership Team

Axel Schleyer, Ph.D., MBA, CEO

Prior to joining Aragen Bioscience, Dr. Schleyer served as Senior Vice President, AGC Biologics. He has held senior positions with companies including Boehringer Ingelheim, Baxter Healthcare, Siegfried and Lonza. He completed his postdoctoral studies in a joint program with The Scripps Research Institute, La Jolla and Carlsberg Institute, Copenhagen. Dr. Schleyer received his Ph.D in Chemistry, Molecular Biology from the University of Hamburg and his MBA from CSU San Marcos. Dr. Schleyer brings a deep understanding of the pharmaceutical and biotechnology industry and related technologies to Aragen, including regulatory, CMC and GMP requirements.

Malavika Ghosh, Ph.D., Vice President, In Vivo Services

Dr. Ghosh has extensive expertise in molecular and cell biology studies ranging from discovery of novel disease related genes, gene expression profiling, functional studies on therapeutic targets to translation studies on animal models.  Prior to joining Aragen, she was a staff scientist at Celliance Corporation where she worked on autoimmune disease models and in vivo oncology models. Dr. Ghosh has many years of experience in the biotech industry including diaDexus, Inc. where she led the Gene Discovery Group in colon cancer in work which resulted in several patents in the field of oncology. Dr. Ghosh received her Ph.D. in Molecular Biology from the University of Wyoming. Her postdoctoral research was in the field of hormone responsive breast cancer in the Department of Surgery at Stanford University where she was awarded several grants and was selected as a New Investigator by the Department of Defense Breast Cancer Research Program.

Steven Lang, Ph.D., MBA, Vice President, Biologics

Dr. Lang is responsible for Aragen’s Bioproduction, Cell Line Development and Analytical groups. Prior to joining Aragen, Dr. Lang was with Genentech’s Cell Culture department as a Director overseeing research material generation, cell line development, automation, and CHO process development covering activities from DNA to Phase 2 clinical supplies. In addition to his functional role, Dr. Lang led an initiative to modernize the CMC scientific data management processes. This work spawned numerous digitization efforts across the global Roche Technical Development network to drive efficiency, transparency and compliance. He also acted as a CMC leader for a project team delivering an innovative bispecific antibody into clinical trials. Prior to Genentech, Steve was with Janssen and Johnson & Johnson. Dr. Lang received his Ph.D. in Molecular Microbiology from State University of New York Stony Brook. He then undertook post-doctoral work at Stony Brook and Johnson & Johnson Pharmaceutical R&D. He received his MBA from Rider University.

Sourav Mukherjee, Ph.D., Associate Vice President Business Development

Dr. Mukherjee brings over 15 years of experience in drug discovery and development strategy, specifically related to the preclinical drug discovery CRO/CDMO industry. Prior to Aragen, he has held senior business development leadership positions at Toxikon Corporation and Medgenome Inc. He has also led successful R&D operations teams in Biologics at Syngene Intl., Sun Pharmaceutical Industries Ltd., TCG Lifesciences and Milwaukee Institute for Drug Discovery. Dr. Mukherjee received his PhD in Life Sciences from Jawaharlal Nehru University, India, followed by postdoctoral research at Harvard Medical School, resulting in seminal contributions to the field of T7 DNA replication.

Elizabeth Garcia, Director Human Resources

Elizabeth has held positions in Human Resources leadership at Harris Corporation, Laureate Education, Bayer Diabetes, and Canon USA. She holds a BS Degree in Business Administration concentration in Human Resources, MA Degree in Organizational Management and pursuing her Doctor of Business Administration. Elizabeth brings a wide variety of experience from M&A Integration, Strategic Business Partner, Talent Management, Employee Engagement and Development. Elizabeth is actively involved in Santa Clara Chapter of NCHRA holding a board position of College Relation Chair.