5  Meet the Team!

The development of the Mapping Tool and this User Manual has been a team effort from the start. Below is a list of team members within OIMA and Tribal partners who have been integral to the development of these resources.

If you would like to join the Team, please email anna.holder@waterboards.ca.gov.

5.1 OIMA

Name	Title
Anna Holder	Open Data Science, Equity & Tribal Coordinator
Hannah Merges	2025-26 California Sea Grant Fellow
Tyler Wise-Bray	Scientific Aid
Samantha Hordyk	Scientific Aid

5.2 Tribal Partners

Tribal partners listed in ascending order by Affiliation. We are appreciative and grateful for Meyo Marrufo and Shasta Gaughen who invested time to provide us early feedback on the content of the Tribal Water Data Initiatives Webpage, the Tribal Data Mapping Tool, and this Manual.

Name	Title	Affiliation
Sarah Ryan	Environmental Director	Big Valley Band of Pomo Indians, Environmental Protection Department (Big Valley EPA)
Meyo Marrufo	Former Environmental Director	Guidiville Rancheria
Shasta Gaughen	Director	Pala Band of Mission Indians, Environmental Department (PED)

We also regularly receive critical feedback from the California Issues Workgroup of the US EPA Region 9 Regional Tribal Operations Committee (RTOC). See the Resource Chapter of this User Manual for past presentations.

5.3 Former OIMA Fellows

Name	Title	Fellowship Period
Chloe Yu-Ning Cheng	Stanford Fellow	Summer 2025
Kevin Song	Stanford Fellow	Summer 2024
Daly Wettermark	Stanford Fellow	Summer 2024
Leah Benton	CivicSpark Fellow	2023-2024
Josh Davenport	Stanford Fellow	Summer 2023
Badhia Yunes Katz	CivicSpark Fellow	2022-2023