About Us


Leighton Cubbage, a Clemson graduate, in political is currently Chairman and co founder of w Serrus Partners, a prominent investment fund built to
leverage cash in the current real estate market. During his career, he was part of the team that founded multiple companies including New South Communications, NuVox, Upstate Automotive, Ionosphere, Greenville Journal, E.C. Transportation, and Greenville First Bank.
Following his graduation from Clemson, Cubbage attended the Advanced Management Program at U.N.C. Chapel Hill. In 1993, as a result of his numerous entrepreneurial endeavors, he was named South Carolina’s Entrepreneur of the Year. His impressive resume also includes:

  • Chairman SC Venture Capital Autority
  • Chairman of he Greenville Hospital System University Medical Center 2003 and 2004
  • Serrus Capital Partners - Chairman and Co-Founder
  • Hall of Fame Inductee 2011 - Clemson Univ. Spiro Entrepreneurial Institute
  • Seruus Telecom Investments – Managing Director
  • Greenville Hospital System – Chairman of Board - 2003 and 2004
  • Corporate Telemanagement Group, New South, NuVox
  • South Carolina Entrepreneur of the Year 1993
  • INC 500 #128 - 1995
  • Greenville Chamber of Commerce - Board Member
  • Greenville First Bank - Board Member
  • Community Journals - Board Member
  • Upstate Automotive Group – Anderson, South Carolina
  • Clemson University
  • UNC Chapel Hill – Advanced Management



(Ret.) Senior Chief Thom Shea is the CEO of Adamantine Alliance, a unique leadership and demanding human performance training organization. Thom works exclusively with “one person at a time” throughout the nation, to ensure transformational performance results. Thom has trained 100s of individuals to date to master the Five Pyramids of Human Performance® and led each through the intense training of Performance in the Margin®, the space where all performance occurs.

Before founding Adamantine Alliance, Thom served 23 years with distinguished Valor as a Navy SEAL. During his military career he served in three wars, ultimately leading a team of Navy SEALs into Afghanistan in 2009 where he earned a Silver Star, Bronze Star with Valor, Army Commendation with Valor and his second Combat Action Medal. He was hand-selected to serve as Officer In Charge of the famed SEAL Sniper course from 2009 – 2011. During his two year tenure, he transformed the sniper curriculum while successfully increasing both graduation numbers and shooting performance test scores.

He is the author of the national best-selling book, “UNBREAKABLE: A Navy SEAL’s Way of Life”. Thom is the executive partner at Primal Quest LLC, the toughest multi-sport endurance event in the United States. Thom also serves as Director of Business Development for BarberWind Turbines. BarberWind Turbines represents an entirely new design for wind turbines that is efficient, economical and available to produce energy worldwide.

In his downtime, Thom competes in numerous ultra marathons and has volunteered countless hours to charity, raising funds through his athletic events for Special Operations Warrior Foundation and the Chris Kyle Memorial Trust. He holds a Bachelor of Arts Degree from Ball State University and a Master Training Specialist certification from the Naval Special Warfare Center. He now resides in Greenville, South Carolina with his wife and three children.