SUMMATION'S FOUNDERS

David A. Rotman, Treasurer
Founder and member of Board of Directors

At the time that he founded Summation, Rotman was a partner with Pillsbury, Madison & Sutro, then San Francisco's largest law firm (now operating under the name Pillsbury Winthrop).

He left the partnership in 1990, joining the mediation firm of Gregorio, Haldeman & Piazza, concentrating on multi-party construction disputes, personal injury, product liability and employment matters. He has become a prominent mediator. In this position, he provides Summation with valuable insight in connection with presentations to a fact finder.

Rotman is a graduate of Cornell University, where he served as a visiting professor of law in 1989, and the University of Chicago Law School where he served on the law review. He also has served as a special master in civil disputes.

He served as vice chairman of the American Bar Association's database management committee form 1984-86 and was a member of its Legal Technical Advisory Council in 1987. He took a sabbatical from his professional duties was a visiting professor of evidence at Cornell University.

Jon Sigerman, President of Summation Legal Technologies, Inc., 1988
(its incorporation) - present
Founder and member of Board of Directors

Complex litigation attorney for twenty-five years. AV-rated. Listed in the Bar Register of Preeminent Lawyers for Employment Litigation, 84th Edition (published by Martindale and Hubbell).

More than twenty State and Federal trials. Appellate practice included attorney of record in published appellate decisions: O'Brien et al. v. Sky Chefs, 670.F2d 864, (Ninth Circuit, 1982) (employment discrimination); Board of Trustees for the Mill Cabinet Trust Fund of Northern California v. Valley Cabinet Manufacturing, Inc., 877.Fd 769 (Ninth Circuit, 1989)(employer pension fund withdrawal liability); Securities and Exchange Commission, Chan, French v. Certain Unknown Purchasers of Sante Fe International Call Options v. Zimmer, 817.F2d 1018 (Second Circuit, 1987)(securities fraud).

Consulting co-counsel for other law firms and agencies (e.g., Pillsbury, Madison & Sutro; Morrison & Foerster; Littler, Mendelsohn, Fastiff & Tichy; Graham & James; City Attorney, San Francisco; Munger, Tolles & Olson, EEOC)-- structured and developed statistical analysis evidence in more than 100 employment discrimination and securities fraud class actions. Testified in federal trials and administrative proceedings as an expert witness on employment discrimination evidence.

1974, Law Clerk to Justice William Clark, Supreme Court of California.

Legal Publications:

• "The Power of Microcomputers In a Litigation Practice", CTLA Journal. June 1984.
• Defense of Equal Employment Claims. Sheppards/McGraw-Hill. 1982. Statistical Analysis Chapter. (Pillsbury, Madison & Sutro, the primary author.)
• Integrating Litigation Support LawTechnology Product News June 1996

Education:

• 1975 Admitted to the California Bar
• 1975 Juris Doctor, University of California, Hastings College of the Law.
• 1973 Master of Science, Mathematics, University of California, Riverside. (Sponsored by TRW SYSTEMS GROUP)

James Henderson - Executive Vice President; Chief Technology Officer
Founder and Member of Board of Directors

[more information coming soon]