National Advisory Council

D. Mark Sefcik

D. Mark Sefcik

Membership Information:

Member Since: 2012


Darcy Louise Sefcik

Contact Information:

Linkedin Profile:


Job Title: CEO
Company: Sundyne
Location: Colorado, United States


  • mechanical engineering


Mark Sefcik is the CEO of Sundyne. He was previously the president of Accudyne Industries, the president of Enerpac, and the executive vice president of HUSCO International. Mark worked six years at Westinghouse Electric, eleven years at HUSCO International, and four years at Enerpac. Mark was born in Edmonton, Canada. He earned his bachelor's and master's degrees in mechanical engineering at BYU and his MBA at Harvard University. Mark and Darcy have five children and three granddaughters.