Tachiki appointed Acting Director to the LIS Partnership

Nicole (Nikki) Tachiki was selected on June 20 to serve as Acting Director of the Long Island Sound Partnership. 

The announcement was made by EPA Region 2 Regional Administrator Mike Martucci at the Long Island Sound Partnership’s 40th anniversary ceremony in Rye, NY. Tachiki replaces Mark Tedesco, who served as director of the LIS Partnership (formerly known as the Long Island Sound Study) and the EPA Long Island Sound Office from 1996-April 2025.

Since 2019, Tachiki has served as the Strategic Planning Coordinator of the Long Island Sound Partnership with a focus on developing the organization’s Reports to Congress and leading the program through revisions of the Comprehensive Conservation and Management Plan (CCMP). She has served as Special Assistant to the Regional Administrator and previously worked in the Drinking Water and Groundwater Protection Section as a Drinking Water Program Specialist in 2021 and as its Acting Section Supervisor in 2024.

Prior to joining Region 2, Tachiki worked on water quality standards, total maximum daily loads, and listing of impaired waters as the EPA liaison to the Pacific Island Territories and Los Angeles Regional Water Quality Control Board in EPA’s Region 9 office. In EPA headquarters, she worked in the National Estuary Program as an ORISE intern. Before joining EPA, she also interned at the National Audubon Society and White House Council on Environmental Quality. Tachiki received her Bachelor’s degree in Environmental Science from UCLA and her Master’s degree in Environmental Sciences and Policy from Johns Hopkins University.