Team

The members of the OCA Ventures team have a passion for building early-stage companies into market leaders, have long histories working with one another, and share common core personal and professional beliefs, while at the same time contributing different skills and perspectives.

This cohesive group has close business and personal relationships dating back more than 25 years.  John Dugan, Peter Ianello and Marc Berman were partners in the 1980s when they led O’Connor & Associates. Jim Dugan is John Dugan’s third son and Eddie Lou and Jason Heltzer both joined the team in 2001.




John S. Stafford Jr - 

Mr. Stafford is the co-founder and Board Member of Ronin Capital, LLC, a registered broker dealer with proprietary trading operations encompassing equity, fixed income and derivative securities.  Ronin Capital is a member of The Chicago Board Options Exchange, The Chicago Mercantile Exchange and other U.S. principal exchanges. From 1975 to 1995, Mr. Stafford was a trader on the floor of the CBOE as an options trader.  From 1996 to 2001, he was a Managing Director of Stafford Trading, Inc., a family business primarily involved in proprietary trading operations and options market making.  Stafford Trading, headquartered in Chicago, Illinois, operated a market making business and conducted proprietary trading in equities, futures and fixed income products.  At the end of 2001, portions of Stafford Trading were purchased by TD Options, LLC.   Mr. Stafford has invested in numerous early-stage technology and biotechnology companies.  Mr. Stafford graduated from Davidson College with a BA in Economics and earned his MBA from the University of North Carolina.

OCA VENTURES

505 N LASALLE STREET
STE 500
CHICAGO, IL 60654
TEL: (312) 327 - 8400
FAX: (312) 542 - 8952