200+ Years of Insights
Holiday Inn Long Island - Islip Arpt East
1730 N Ocean Ave, Holtsville, NY 11742
LIAPG’s third quarter 2026 dinner meeting will feature an engaging panel discussion with seasoned environmental and geological professionals sharing their perspectives from across the industry. Drawing on over 200 years of combined field, regulatory, legal, and business experience, our panelists will discuss topics such as:
- Important messages for the next generation of environmental and geological professionals
- Lessons learned from early-career mistakes and unique geological oddities observed along the way
- Industry evolution and changes since the implementation of Professional Geologist licensure
- Unique characteristics that differentiate Long Island's regional geology
- Future trends regarding where technology and AI are heading for the geoscience field
Whether you're just starting out or decades into your career, this is a great opportunity to hear candid, firsthand insights from professionals who have been part of the evolution of the field on Long Island and beyond.
Moderator:
Derek Ersbak, PG, Vice President at P.W. Grosser Consulting Engineer & Hydrogeologist, D.P.C.
Panelists:
George Duke, Partner, Fox Rothschild
Michael Flaherty, Hydrogeologist, Nassau County Department of Public Works
Robert Garfield, PG , Owner/Principal, Borehole Geophysicist at Hager-Richter Geoscience
John Lamprecht, PG, CWD, Vice President, Land, Air, Water Environmental Services, Inc.
Chris Wenczel, PG, Senior PM, P.W. Grosser Consulting Engineer & Hydrogeologist, D.P.C.
Please note that there is a cost to attend.

