About the Creators
The Defined Withdrawals strategy was created by the
father and son team of Roger and Kevin Katzenmaier.
Roger A. Katzenmaier,
CPA, Ph.D., has been a practicing Certified Public accountant for
over 25 years. Roger has been an associate professor at the
University of Minnesota and holds advanced degrees in accounting,
management and finance.
Kevin R. Katzenmaier, B.S.E.E. is a Senior Engineer with 3M. In addition, Kevin has been
programming computers to solve finance problems for over 15
The authors would also like to acknowledge Brentmark Software
for their contributions. Gregory Kolojeski, President
of Brentmark Software, directed the development effort at Brentmark. Patrick Matthews further developed the software and
added many significant features and enhancements. Thanks also to Jane
Schuck, Vice President of Brentmark Software, for reviewing the software and the
Brentmark Software has been developing Estate, Financial, and
Retirement Planning Software since 1985. Their programs are
currently being used by thousands of attorneys, accountants,
financial planners, and other professionals nationwide.