Leadership Team

Scientific Advisory Board (SAB)

Sigurd Berven, MD
University of California San Francisco
Professor of Orthopedic Surgery




James Sanders, MD
University of Rochester Medical Center
Professor, Department of Orthopedics


David L Skaggs, MD, MMM
Childrens Hospital Los Angeles
Chief of Orthopedic Surgery | Director of Spine Surgery


Isador Lieberman, MD
Texas Back Institute
Director of the Scoliosis and Spine Tumor Center

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Michael Ain, MD
Johns Hopkins Hospital
Associate Professor of Orthopedic Surgery



Mark Erikson, MD
Children’s Hospital Colorado
Chairman, Pediatric Orthopedics



Green Sun Leadership Team

Jamie Haggard, Co-Founder
CorelinkBacterinBiomet, Lanx, Globus, Synthes, Zimmer

Mr. Haggard has over 20 years of award winning experience in the spine and orthopedic industry.  In his career, he has helped launch disruptive technologies , including the artificial disc and lateral spine fusion implants.  He has trained hundreds of surgeons in cadaver labs on these new procedures.  Mr. Haggard has held various management and training roles within these companies.  During his tenures at Corelink, Synthes (J&J), Globus, and Biomet/Lanx, he developed strong relationships with spine surgeons that are the key thought leaders in the US and globally. 

Matthew Thompson, CTO
Chief Technical Officer- Reduction Technologies, Aesculap

Matthew has twenty years of experience in biomechanical engineering and entrepreneurial endeavors. Through his career he has served as CEO of a venture-backed medical device startup and consulted for medical device companies large and small. Matthew has directed research and development efforts for several medical devices, excelling at capital efficiency and effective engineering processes. He currently lives in the San Francisco Bay Area and leverages his extensive network to build agile teams.

Paul Thompson

Paul Thompson, Chief Strategic Officer
Ice Energy, Cytologic, Teledyne

Paul has more than a decade of experience in patent law as a patent coordinator and inventor, an engineer, and 7 years of experience as a practitioner. Paul sits on the Board of Directors and is the former Vice President and COO of CytoLogic Inc., a startup biomedical research and development company developing and commercializing treatments for cancer using biological techniques. Paul is involved in numerous entrepreneurial endeavors in all facets of business development. Prior to founding CytoLogic, he was employed by Teledyne Water Pik as a Senior Technology Development Engineer and he participated in the evaluation and establishment of new business opportunities for Teledyne. He also co-founded HydroGenics, Inc., a corporation involved in the importation and commercialization of a technology developed in the Russian defense industry and in its adaptation to the areas of commercial and industrial wastewater treatment.


Business Advisors


Cynthia Ansari
Former – Global VP of Marketing for Stryker Spine, President and CEO of Vision Sciences (NASDAQ -VSCI), VP  U.S. Marketing and Global Safety Software Pfizer.



Steve Deitsch

Former – Vice President, Finance, Global Reconstructive & Global Operations Zimmer, Chief Financial Officer Lanx, CFO-Spine, Microfixation, and Bone Healing Zimmer Biomet, CFO Coalfire Systems.



Luke Stikeleather

President, National Scoliosis Center, Associate Fellow Scoliosis Research Society, Founding Member of SOSORT, international Society of Spinal Orthopedic and Rehabilitation Treatment