GG Biotech Consulting

GG Biotech Consulting LLC is a strategic life sciences consultancy founded and led by Dr. Gilles Gallant, a renowned expert in oncology drug development. The firm provides specialized advisory services to biotechnology and pharmaceutical companies, focusing on the clinical strategy, direction, and execution of oncology programs. Dr. Gallant is best known for his leadership at Daiichi Sankyo, where he directed the global development and approval of the landmark antibody-drug conjugate (ADC) Enhertu. The consultancy leverages this deep expertise to support clients in navigating complex regulatory pathways and optimizing clinical trial designs for next-generation cancer therapies. Key areas of focus include innovative modalities such as ADCs and peptide-drug conjugates. GG Biotech Consulting currently serves as a strategic advisor to several emerging biotech firms, including Bicycle Therapeutics and Iteru Systems.