Patti Sutch, CA PG-3949, CEG-1641, CHG-25 - President and Founder of REG REVIEW, Inc. has a M.S. in Engineering
Geology from Stanford University and was a research geologist for Shell Oil, an engineering geology consultant, and a hydrogeologist
for the Santa Clara Valley Water District. She is the former Executive Director of the Association of Engineering Geologists and
chaired the Registration Committee of the AEG San Francisco Section. She recently retired from the Executive Director position of
the Western States Seismic Policy Council (WSSPC) based in Sacramento, California.
Lisa Dirth, CA PG-3951, CEG-1240, NC RG-1627 (by ASBOG® exam) - Vice President and Founder of REG REVIEW,
Inc. earned her B.A. in Geology from the University of Northern Colorado. She has 15 years experience as an engineering geology
consultant working on dam site investigations, landslide mitigations, fault investigations, and reviewing fault reports for the City
of Oakland. She is currently the administrator for REG REVIEW and performs all the course coordination as well as works on all book
and course notes modifications.
Elisabeth (Bets) Ervin-Blankenheim, PA PG-004595 (by ASBOG® exam) - Instructor for REG REVIEW, Inc. (and
past student) has a B.A. in Geology from Dickinson College, Carlisle, PA and an M.A. in Geology from the State University of New York
at Binghamton. She has more than 20 years experience in hydrology, ground-water modeling, and ground-water quality, currently has
her own consulting business and teaches for Front Range Community College in Larimer County, Colorado, in addition to teaching with
REG REVIEW. The majority of her past experience was with the U.S. Geological Survey in Trenton, New Jersey and Denver, Colorado.