Allan was Managing Partner of Emergent Medical Partners Venture Fund, and has been founder, Chairman, CEO, or investor in over 80 medtech, biotech, and diagnostic startups. He was a co-founder and Chairman of Nanostim, developer of a Leadless Cardiac pacemaker, which was acquired by St. Jude Medical in 2013, and co-founder and Chairman of Hyalex Surgical, Inc, developer of novel artificial cartilage for total joint replacements. He currently serves on the boards of Noctrix Health, Celero Systems, and Zeto, Inc.