Prior to joining Hillstar in 2015, Jeff was a Managing Director at American Capital, a publicly traded private equity and asset manager with approximately $20 billion in assets. While at American Capital, Jeff most recently led the private equity teams for the Dallas Office and prior to that led the private finance teams consisting of both sponsor finance and private equity for the Dallas Office. Since joining American Capital in 2001, Jeff invested over $600 million in various industries including consumer products manufacturing and services, business services, environmental services, niche manufacturing, transportation, distribution and health care. While at American Capital, Jeff also served on and chaired several corporate board of directors.

Prior to joining American Capital, Jeff was Vice President – Finance for Dynamex, a publicly-traded transportation and logistics company with approximately $250 million in revenues where he was responsible for corporate development and acquisitions, investor relations, bank relations and treasury while serving on the senior management team. From 1996 to 1998, he was with BACE Industries LLC., a Denver-based private equity firm where he was the Vice President of RentX Industries Inc., an equipment rental industry consolidator. Prior to joining BACE, he was with Banque Paribas from 1991 to 1996 as a Vice President in the Merchant Banking Group where he focused on senior debt financings and equity co-investments primarily for private equity sponsors. Mr. MacDowell was with CS First Boston in the Dallas Investment Banking group where he gained corporate finance experience in initial public offerings, public equity and debt offerings, private debt placements, M&A, and corporate restructurings.

Jeff graduated magna cum laude from Southern Methodist University with a Bachelor of Science in Mechanical Engineering. Jeff lives in Dallas area with his wife and two daughters. Jeff enjoys photography, technology, hiking, paddleboarding, traveling and volunteering.