Seth Fagelman and Jeff Williams are the principals at
Mainspring Partners.  Each brings a unique blend of
financial, transaction, and operating experience.  

Seth Fagelman is an entrepreneurial leader who has
launched 3 start-ups raising over $65 million.  Previously,
Seth served in senior management positions at Prime
Cable, arranging over $1.6 billion in debt and equity
financings.  In addition, he has led financial and
operational restructuring efforts in domestic and
international markets.
 Seth has extensive consulting
experience in change management, process re-design,
and strategy.


Jeff Williams led the corporate development and private
equity initiatives for the Friedkin Companies, a
multi-business family office.  In addition, Jeff helped start
three private equity investment groups for MetroNational
Corp. He has spearheaded several turnaround and
business development efforts for portfolio companies; and
he was the founder of an Internet-based business services
firm serving the independent automotive service industry.  
Jeff began his career consulting to the real estate industry
with Kenneth Leventhal & Company and is a CPA.