At GSI Water Solutions, most of our staff members are technical professionals – hydrogeologists, geologists, hydrologists, water resources specialists, water rights specialists, environmental scientists, and regulatory experts with years of experience in their fields.
Our support staff provides geographic information system (GIS), graphics, technical editing, technical writing, document production, and project administration.
GSI’s entire staff is dedicated to providing creative, cost-effective, and appropriate solutions for our clients.
![]() |
Adam Sussman Senior Water Resources Consultant 541.753.0745, ext. 201 |
![]() |
Adrienne Lindsey Office Administrator 509.735.7135, ext. 207 |
![]() |
Bruce Brody-Heine Senior Hydrogeologist 541.678.5117, ext. 2 |
![]() |
Chris Augustine Project Hydrogeologist 503.239.8799, ext. 119 |
![]() |
Corey Treacy Research Assistant 503.823.7044 |
![]() |
Danielle MacBain Water Resources Analyst 541.678.5117, ext. 3 |
|
Dave Livesay GSI President Senior Hydrogeologist 541.753.0745, ext. 202 |
![]() |
Dennis Nelson Senior Hydrogeologist 541.744.8121 |
![]() |
Doug McChesney Senior Water Resources Consultant 503.239.8799 |
![]() |
Emily Mackey Accounting Manager 503.239.8799, ext. 111 |
![]() |
Eric Collins Senior Hydrogeologist 503.239.8799, ext. 105 |
![]() |
Erin Carroll Staff Hydrogeologist 503-239-8799, ext. 125 |
![]() |
Heidi Blischke Senior Hydrogeologist 503.239.8799, ext. 114 |
![]() |
Janet Luty
Administrative Assistant 503.239.8799, ext. 101 |
|
Jason Melady Project Hydrogeologist 503.239.8799, ext. 104 |
![]() |
Jeff Barry
Senior Hydrogeologist 503.239.8799, ext. 102 |
![]() |
Jeff Norville Staff Geologist 503.239.8799, ext. 113 |
|
Jesse Manley
Senior Staff GIS Specialist 503.239.8799, ext. 117 |
|
Jill Carroll Publications Manager 503.239.8799, ext. 109 |
![]() |
Jinsam Kim
Staff Hydrogeologist 503.239.8799, ext. 120 |
|
John Porcello Senior Groundwater Hydrologist 503.239.8799, ext. 115 |
|
Jon Travis
Staff Geologist 509.735.7135, ext. 203 |
![]() |
Julia Fowler Senior Engineer 503.239.8799, ext. 112 |
![]() |
Karen Demsey
Geologist 503.239.8799 |
|
Ken Trotman Senior Hydrogeologist 503.239.8799, ext. 116 |
|
Kevin Lindsey Senior Hydrogeologist 509.735.7135, ext. 201 |
|
Kevin Parrett Senior Environmental Scientist 503.239.8799, ext. 121 |
|
Kim Grigsby Water Resources Consultant 541.753.0745, ext. 203 |
|
Larry Eaton
Senior Hydrogeologist 503.239.8799, ext. 103 |
|
Letanya Bjonskaas
Accounting Assistant 503.239.8799, ext. 127 |
|
Matt Kohlbecker Project Hydrogeologist 503.239.8799, ext. 107 |
![]() |
Mike Reynolds Water Resources Consultant 541.753.0745, ext. 200 |
|
Molly Reid
Water Resources Analyst 509.735.7135, ext. 202 |
![]() |
Nicole Landsberg
Staff GIS Specialist 503.239.8799 ext. 128 |
![]() |
Peter Pellegrin Field Technical Specialist 503.239.8799 ext. 129 |
![]() |
Randy Pratt
Senior Civil-Environmental Engineer 541.740.7387 |
![]() |
Ted Ressler
Project Hydrogeologist 503.239.8799, ext. 106 |
![]() |
Terry Tolan Senior Hydrogeologist 509.735.7135, ext. 205 |
|
Vicki Cartwright
Human Resources Manager 503.239.8799, ext. 118 |
|
Walter Burt Senior Hydrogeologist 503.239.8799, ext. 108 |
























