Glen Canyon Dam Adaptive Management Program

Technical Work Group (TWG)

Ad Hoc Group List 

Updated: May 1, 2019

 

Administrative History (AHAHG): Co-chairs – Larry Stevens, Craig Ellsworth. Established October 

2012. 

Charge: The TWG directs the AHAHG to further develop the "Wikipedia Concept" as presented at the 

October 2012 TWG meeting. The website (www.GCDAMP.com) purpose is to implement and address 

the recommendations from the Administrative history prospectus. As applicable, the Wiki is to serve as 

a collaborative resource tool to aid managers and to warehouse the program's historical information to 

assist stakeholders to learn and share knowledge in a user-friendly format. 

Status: Active.

Members: Melinda Arviso-Ciocco, Jan Balsom, Shane Capron, Kurt Dongoske, Craig Ellsworth, Leslie 

James, Vineetha Kartha, Jessica Neuwerth, Larry Stevens. Invited technical advisors: Helen Fairley. 

 

Budget (BAHG): Chair – Shane Capron. Established November 12, 2003, re-established June 22, 2009. 

Charge: The Budget Ad Hoc Group (BAHG) will work with the Bureau of Reclamation (Reclamation) 

and Grand Canyon Monitoring and Research Center (GCMRC) to develop an annual budget 

recommendation for TWG consideration. This is to include an initial budget recommendation during the 

spring TWG meeting and a final recommendation during the summer TWG meeting. 

Status: Active. 

Members: Melinda Arviso-Ciocco, Jan Balsom, Cliff Barrett, Rob Billerbeck, Shane Capron, Kurt 

Dongoske, Craig Ellsworth, Paul Harms, Brian Healy, Leslie James, Vineetha Kartha, Ryan Mann, 

Craig McGinnis, Emily Omana Smith, Bill Persons, Ben Reeder, Peggy Roefer, Seth Shanahan, Larry 

Stevens, Kirk Young. Invited technical advisors: Helen Fairley, John Jordan, Mike Moran, Clayton 

Palmer, Dave Rogowski, Scott Vanderkooi. 

Core Monitoring (CMAHG): Chair – Vacant. Established March 15, 2010. 

Charge: To be determined when needed. Most recent charge - Develop, for TWG review at its June 

2010 meeting, an appendix for the General Core Monitoring Plan (Plan) which describes a TWG process 

for making recommendations to AMWG on the individual core monitoring plans developed by 

GCMRC. Review the revised draft Plan from GCMRC this spring and develop a recommendation for 

TWG at its June 2010 meeting. 

Status: Suspended. 

 

Page 1 of 3
Members: Melinda Arviso-Ciocco, Jan Balsom, Cliff Barrett, Kurt Dongoske, Craig Ellsworth, Paul 

Harms, Emily Omana Smith, Peggy Roefer, Larry Stevens, Jim Strogen, Kirk Young. Invited technical 

advisors: Helen Fairley, John Jordan, Clayton Palmer.

 

Cultural Resources (CRAHG): Chair – vacant. Established September 6, 2001, re-established June 22, 

2009. 

Charge: To be determined when needed. Most recent charge - The Cultural Resources Ad Hoc 

(CRAHG) will review the annual budget recommendation on cultural program issues and make 

recommendations to the BAHG. Additionally, the CRAHG will review the treatment plan, the cultural 

properties monitoring program, and make recommendations to TWG. 

Status: Suspended. Routine updates are to be provided to the TWG by Bill Chada and/or CRAHG 

members as needed. 

Members: Melinda Arviso-Ciocco, Jan Balsom, Peter Bungart, Charley Bullets, Leslie James, Sarah 

Rinkevich, Larry Stevens. Invited technical advisors: Bill Chada, Helen Fairley, Lisa Meyer. 

 

 

Operating Procedures Ad Hoc Group (OPAHG): Chair – TWG Chairperson. Established: June 20, 2012 

 

Charge: To be determined when needed. Most recent charge - To consider and make recommendations 

to AMWG on (1) revised TWG Operating Procedures; (2) review of CRAHG report and implementation 

of recommendations. 

Status: Suspended. 

Members: Cliff Barrett, Shane Capron, Kevin Dahl, Craig Ellsworth, Vineetha Kartha, Seth Shanahan. 

Invited technical advisors: Scott Vanderkooi, Mike Moran. 

 

 

Socio-Economics (SEAHG): Chair – Ben Reeder. Re-established October 24, 2012. 

Charge: To be determined when needed. Most recent charge - The SEAHG, working with GCMRC, will 

review the program proposed by the SEAHG in 2012, and areas specified that may not be pursued in the 

Long-Term Experimental Management Plan and Adaptive Management Program related programs, and 

began to develop draft recommendations for 2015/16 program activities as provided for in the 

Secretary’s April 30, 2012 letter to the GCDAMP. 

Status: Suspended. The SEAHG is expected to be re-activated during the fall of 2019 to assist with 

developing the next triennial budget and work plan. 

 

Members: Jan Balsom, Cliff Barrett, Shane Capron, Vineetha Kartha, Ben Reeder, Peggy Roefer. 

Invited technical advisors: Lucas Bair, Helen Fairley, Clayton Palmer. 

 

Species of Management Concern (SMCAHG): Chair – Larry Stevens. Established January 30, 2014. 

Page 2 of 3
Charge: Document the status of species of management concern and habitat restoration activities in the 

Colorado River Ecosystem (CRE), and report regularly upon those findings to the TWG. The SMCAHG 

will advise the TWG regarding information gaps and potential ways to obtain that information and will 

provide TWG with a review of plans and documents related to CRE population and habitat restoration 

efforts and progress. Maintain the “Taxa of Management Concern” white paper and excel tables as 

information changes. 

Status: Active.

 

Members: Melinda Arviso-Ciocco, Shane Capron, Kevin Dahl, Bill Davis, Kurt Dongoske, Craig 

Ellsworth, Paul Harms, Brian Healy, Vineetha Kartha, Ryan Mann, Jessica Neuwerth, Peggy Roefer, 

Sarah Rinkevich, Emily Omana Smith, Jim Strogen. Invited technical advisors: John Spence, Scott 

Vanderkooi, Mike Moran. 

 

Steering Committee (SCAHG): Chair – TWG Chairperson. Established October 2012 

Charge: The SCAHG will assist the TWG Chairperson and TWG Vice-Chairperson in developing 

meeting agendas and a long-term strategy for completing work of the TWG. 

Status: Active.

 

Members: Shane Capron, Craig Ellsworth, Jim Strogen, Vineetha Kartha, Emily Omana Smith, Peggy 

Roefer, Seth Shanahan, Larry Stevens, Jim Strogen. Invited technical advisors: Scott VanderKooi, Mike 

Moran. 

 

Trout Ad Hoc Group (TAHG): Chair - vacant. Established October 20, 2015. 

 

Charge: To be determined when needed. Most recent charge - The TAHG will evaluate the GCMRC 

Technical Review of the Lees Ferry Recreational Trout Fishery Management Recommendations per the 

AMWG motion on 8/27/15 and make a recommendation to the TWG at our January 2016 meeting. The 

TWG will consider the recommendation and make findings to the AMWG at its February 2016 meeting. 

Status: Suspended. 

Members: Shane Capron, Kurt Dongoske, Craig Ellsworth, Paul Harms, Brian Healy, Vineetha Kartha, 

Ryan Mann, Jessica Neuwerth, Emily Omana Smith, Peggy Roefer, Seth Shanahan, Jim Strogen. 

Invited technical advisors: John Jordan, Scott VanderKooi, Mike Moran. 

 

Page 3 of 3