IARPC Secretariat

Larry Hinzman

Executive Director
Larry Hinzman is the Assistant Director of Polar Sciences in the White House Office of Science and Technology Policy and the Executive Director of the Interagency Arctic Research Policy Committee. He recently served as the Vice Chancellor for Research and as a Professor of Civil and Environmental Engineering at the University of Alaska Fairbanks. Hinzman served as the Director of the UAF International Arctic Research Center from 2007 to 2015. Professor Hinzman's primary research interests involve permafrost hydrology. He conducted hydrological and meteorological field studies in the Alaskan Arctic continuously for over 35 years while frequently collaborating on complementary research in the Russian and Canadian Arctic. He has served as a member of the U.S. Polar Research Board and as the U.S. delegate and president of the International Arctic Science Committee. He is strongly committed to facilitating national and international partnerships to advance our understanding of the Arctic and Antarctic systems.

beverly walker

Beverly Walker

Acting Executive Secretary


Beverly Walker joined the IARPC Secretariat in 2022 to serve as the Executive Secretary. She is also a Science Analyst in the Office of Polar Programs (OPP) at the National Science Foundation. She works to build bridges within and across all elements of polar science, most recently by serving as the Executive Secretary for the Advisory Committee for Polar Programs as well as the Polar Subcommittee on Diversity and Inclusion, and by coordinating logistics for Distinguished Visitors to the U.S. Antarctic stations. Prior to joining OPP, she supervised laboratory operations at the Crary Science and Engineering Center (CSEC) at McMurdo Station, Antarctica, for six years.  Beverly received a B.A. in Marine & Freshwater Sciences from Colgate University and a M.S. in Earth & Environmental Sciences from Vanderbilt University, completing field work in the Pacific Ocean, Alaska, Puget Sound and in the McMurdo Dry Valleys in Antarctica. Beverly is passionate about polar science and driven to develop a more equitable environment that allows all interested individuals to thrive throughout the polar science ecosystem.

Nikoosh Carlo
Senior Advisor
Dr. Nikoosh Carlo is CEO of CNC North Consulting LLC and Senior Advisor at IARPC. She has extensive experience working to advance community-driven solutions to climate change. She previously served as senior advisor for climate and Arctic policy to the Governor of Alaska (2017-18), a senior advisor at the U.S. State Department for the U.S. Chairmanship of the Arctic Council (2015-17), and the executive director of the Alaska Arctic Policy Commission (2013-15). Dr. Carlo is Athabascan and has deep roots in the Interior Alaska communities of Fairbanks and Tanana, where she was raised. Dr. Carlo received a Ph.D. in neuroscience from the University of California San Diego and a B.S. in psychology from the University of Alaska Fairbanks.

Sorina Stalla
Biennial Implementation Plan Development Director

Sorina started with IARPC in 2020 and serves as a the Biennial Implementation Plan Development Director. Sorina's past work has focused on different aspects of partnership development, improving science-policy interfaces, and enhancing education initiatives aimed at the federal workforce. She holds a Masters Degree in International Environmental Policy and Ocean and Coastal Resource Management and is based in Boulder, Colorado.

Liz Weinberg

Liz Weinberg
Engagement Director

Liz Weinberg (she/her) joined IARPC in 2020. She previously served as the digital outreach coordinator and writer/editor for NOAA's Office of National Marine Sanctuaries, where she focused on increasing public engagement in and awareness of marine protected areas. Liz has a background in science communication and writing: she holds an MFA in creative writing from the University of Washington, and is at work on a book of essays about climate change, wilderness, and queerness. She is based in unceded Chinook lands / Portland, Oregon.

mellisa maktuayaq johnson

Mellisa Maktuayaq Johnson

Indigenous Engagement and Communication Specialist


Mellisa Maktuayaq Johnson is Inupiaq and was born and raised in Nome, Alaska. As a Tribal member of Nome Eskimo Community, Mellisa has a strong passion for protecting, respecting, advocating and maintaining traditional Indigenous ways of life. Inspired by Elders, community members, and her family, Mellisa works to share with others the importance of maintaining culture and heritage in language revitalization efforts, climate advocacy, and incorporation of Indigenous knowledge into different systems. She previously worked as Executive Director with Bering Sea Elders Group (2018-2022), has sixteen years experience with Tribal health, and is Adjunct Professor in Inupiatun, the language of the Inupiat, at University of Alaska Anchorage. She holds a Bachelor's degree in Health Services Administration with a minor in Human Services from Alaska Pacific University and is also a U.S. Air Force veteran.

Meredith LaValley

Policy Analyst & Director of IARPC Collaboration Team Activities


Meredith recently completed her Master's in Environmental Policy at Bard College, where she focuses much of her independent studies on Arctic issues, and her thesis focused on understanding knowledge exchange within IARPC Collaboration teams. She recently relocated to Anchorage, Alaska, where she will work closely with the Alaska-based IARPC Collaborations community.

Hazel Shapiro

US AON Program Assistant


Hazel joined the IARPC Secretariat in 2020 as the US AON Program Assistant. She has a BA in Earth Sciences from Dartmouth College where she studied regional weather patterns in Denali, AK. Since then, she has been working in the conservation/non-profit sector, often focused on collaborative project management.

cynthia garcia-eidell

Cynthia Garcia-Eidell

Sea Grant Knauss Fellow


Cynthia Garcia-Eidell is a 2022 Sea Grant Knauss Fellow working to support the NOAA GOMO Arctic Research Program. She is a Ph.D. candidate on Earth and Environmental Sciences at the University of Illinois, Chicago. Her research focuses on understanding carbon cycle changes along the coastal margins of our planet using satellite-derived measurements. Before starting her Ph.D., Cynthia worked as a Visiting Scientist at the Cryospheric Sciences Lab at the NASA Goddard Space Flight Center where she led and contributed to publications on remote sensing of sea surface salinity in polar waters.

Request an account

Join scientists from Federal, State, academic, NGO, and industry organizations working to accelerate the progress of Arctic research.

Membership suggestions are subject to approval and adherence to the IARPC Collaborations code of conduct.

IARPC Collaborations

Liz Weinberg
Web Manager & Community Coordinator
(503) 893-8910