Chapters & Committees

THSOA is a 100% volunteer-based society. We rely on our members to help make us successful. In addition to many folks who are behind the scenes, the below list is who you can contact should you have any specific questions. If you are interested in volunteering, please email [email protected] for available opportunities. Every THSOA member is invited to participate in activities from any chapter.


Latin America
Chair Vice Chair Secretary
Alberto Costa Neves Bismark Jigena Alexis Cardenas
University of Southern Mississippi

University of Cadiz (Spain)

 Kongsberg Maritime

Mid-Atlantic (Washington, DC, Delaware, Kentucky, Maryland, New Jersey, North Carolina, Pennsylvania, Tennessee, Virginia, and West Virginia) 

Chair Vice Chair Secretary Treasurer
Daniel Wright Deanne Hargrave Sloan Freeman Taylor Krabiel
Sounding Science Atlantic Shores Geodynamics  

Midwest (Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, and Wisconsin)

Chair Treasurer Secretary
Ed Bailey Jon Arleth Denis Buelow
Northwestern Michigan


New England (Maine, Vermont, New Hampshire, Massachusetts, Connecticut, and Rhode Island)

Chair Regional Liaison 
Cape Cod
Regional Liaison 
Technical Chair
Jack Herbert Rick Morton Nick Townley Tom Waddington
Treasurer Secretary Regional Liaison, New Hampshire and Maine  
Vitad Pradith Peyton Benson Evan Martzial  


Southeast (Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, Oklahoma, and South Carolina)

Chair  Treasurer Secretary | Education Outreach  Event Coordinator

Mike Nitska

Colin Barilleaux

Rachel Bobich

Kim Dailey

HydroTerra Technologies, LLC

T. Baker Smith RMB GEO Survey Equipment Services, Inc
Technical Coordinator  Student Liaison    

Scott Haydel

Natalie Guess


Ashtead Technology

The University of 
Southern Mississippi



Chair Vice Chair Treasurer Secretary
Kevin Tomanka Alex Spriggs Jake Dumaine Tiziana Munene
OARS Group ZUPT  Atlas Professionals Fugro
Event Coordinator Student Liaison Technical Chair  
Rachel Cluthe Reed Nelle Paul Laverty  
STR OARS Group Fugro  


West Coast (Alaska, Arizona, California, Colorado, Idaho, Montana, New Mexico, Nevada, Oregon, Utah, Washington, and Wyoming)

Chair Treasurer Secretary
Mike Mutschler Brian Busey Bob Feldpausch
Seahorse Geomatics   Tetra Tech



Responsible for the creation and maintenance of the organization's bylaws.

Conference Planning
Develops the program for biannual US Hydro Conference. This includes providing topics, reviewing papers, identifying speakers and alternate choices, planning social activities/meals, and more.

Rafael Ponce

Member Relations
Increase membership benefits with engagement, collaboration, and communication.


Professional Development
Coordinates and delivers professional development training and resources for members.

Tom Waddington

Student Outreach & Scholarships
Facilitates THSOA support of students pursuing careers in the Hydrographic industry.