Board of Managers

Diane M. Hendricks

Diane M. Hendricks is Chairman and sole owner of ABC Supply Co. Inc.  Today, ABC Supply is the largest wholesale distributor of exterior and interior building products in the United States with more than 700 locations nationwide, 14,000 associates, and projected sales for 2017 of $9.5 billion.  Diane and her late husband, Kenneth Hendricks, founded ABC Supply in 1982.

Diane also presides over a large national portfolio of industrial and commercial real estate and is Chairman of Hendricks Holding Company, Inc. (“HHC”), which includes a diverse portfolio of domestic and international companies in manufacturing, construction, recycling, pharmaceutical research and other various industries including NorthStar Medical Technologies LLC (“NorthStar”).  HHC is an investor in NorthStar and Diane has served on NorthStar’s Board of Managers since 2010.


Jon Coulter

Jon Coulter is Managing Director at Hendricks Holding Company, Inc. (“HHC”) and is responsible for the oversight of eight HHC portfolio companies, including NorthStar Medical Technologies LLC. Jon has served on NorthStar’s Board of Managers since 2010.  Before joining HHC, Jon was employed by Baird Capital Partners, the private equity arm of Robert W. Baird & Co. Incorporated (“Baird”).  Prior to Baird Capital Partners, Jon worked as an investment banker at Baird and at Cleary Gull, Inc.

Jon served twelve years in the U.S. Air Force as an Operations Staff Officer and Instructor Pilot, and is a veteran of Operation Desert Storm.  He earned a Bachelor of Science from Purdue University and an M.B.A. from the University of Wisconsin – Madison.


Randy McIntyre

Randy has served as a Board Member of NorthStar since 2012.  He led an investment group that supported NorthStar’s early development and has continued to invest in the growth of NorthStar’s industry leading technology.  Randy is a food industry veteran with two decades of senior executive leadership at Kerry plc, where he gained extensive experience of compliance with FDA regulations.  In retirement he continues to be active in the food industry through consulting and Board roles, which has enabled him to keep current of industry dynamics and FDA policy.  He has been a leader and active member of Stateline Angels, who have invested over $10M in 20 companies during the last decade.


George Messina

George is Chairman and Chief Executive Officer of NorthStar Medical Radioisotopes, LLC, and founder of NorthStar Medical Technologies, which holds several leading technology subsidiaries including NorthStar Medical Radioisotopes.  With 30 years of executive experience in the medical industry in roles of CEO or COO, George brings a proven leadership skill set to NorthStar.  His expertise encompasses acquisition and development of core technologies, forging relationships with universities and national labs and creation of international joint ventures for the manufacturing and distribution of medical equipment.  George has raised more than $200 million in financings to support companies he has acquired and/or technologies he has licensed/acquired.  In addition, George has secured $50 million in financial grants from the U.S. Department of Energy in support of NorthStar’s Mo99 program.  Businesses under George’s leadership have provided annual compounded investor returns of more than 40 percent.  Additionally, George has worked closely with the U.S. Department of Defense, obtaining a Top Secret Clearance from the US Government in support of projects such as the Fire Control, Radar and Missile Systems on-board U.S. destroyers, the Airborne Warning and Control System (AWACS) Program, the Delta rocket and the Viking Lander Programs.


Stephen Merrick

Steve, recently appointed as President and Chief Operating Officer, has 24 years of experience in the Biotechnology/Pharmaceutical/Life Sciences industries where he has held multiple executive positions with leading global companies, including leadership of Nuclear Medicine businesses.  He has extensive general management and corporate officer experience, as well as a proven track record of integrating science, engineering and commercial activities to drive complex projects to successful completion.  Steve also served in the Royal Navy as a Nuclear Submarine Officer, where he specialized in Navigation and Operations.

Steve received a BSc (Honors) in Engineering Science from the University of Exeter and an MBA from the London Business School, both in the United Kingdom.  He also completed the Nuclear General Course at the Royal Naval Staff College, Greenwich in the United Kingdom.

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