Crocker is executive director of Pioneer, a company that creates human and planetary health ecosystems through venture building and real estate. With more than £1bn of life science assets under management it is the largest fully integrated business of its kind in Europe. At Pioneer, Crocker is responsible for the venture building and investment business. Over 30 years in the industry, he has co-founded and/or invested in many life science companies, especially in the discovery and development services sector. As founding chief executive of BioCity, he built a successful business that was acquired by Trinity Investment Management in 2021, providing an excellent exit for shareholders and leading to the formation of Pioneer group. He has a D Phil in immunology from Oxford University and qualified as a chartered accountant with EY, where he ran the UK biotech practice. In 2014 he was awarded an MBE for services to the biotechnology industry.