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Annie Williams brings a background in communications and advocacy campaigns, having worked with nonprofit and higher education entities. Prior to joining Corridor Partners, she served as an account manager at a public relations firm, leading accounts in the healthcare and technology space. Annie has a bachelor’s degree in English from St. Lawrence University.


Julia Hidu brings a background in campaigns and fundraising, having worked as a finance staffer on two top-tier congressional campaigns.  Prior to joining Corridor Partners, she served as the Special Assistant to the Executive Director at EMILY’s List, the nation’s largest resource for women in politics. Julia has a bachelor’s degree in political science with minors in leadership studies, legal studies, and psychology from the University of Maine.


Corridor Partners establishes concrete goals and clear metrics for every client investment to maximize impact on policy and electoral outcomes. Corridor reviews investment options for their potential short-term impact on advocacy and electoral objectives, evaluates cost effectiveness, and determines how each investment will inform future strategies and advance long-term objectives. Client investments are rigorously evaluated for impact and Corridor’s portfolio is adjusted each year to reflect lessons learned and best practices.


Corridor Partners helps clients invest in issue advocacy to advance and defend key policies. In collaboration with partner groups and campaign experts, Corridor designs advocacy campaigns, conducts targeting research, and assesses the efficacy of campaign strategies.

Corridor’s climate portfolio currently supports campaigns to adopt federal standards to reduce carbon pollution from power plants, to enact policies that promote energy efficiency and advanced energy, and to reduce reliance on fossil fuels.


Corridor Partners recommends electoral investments designed to further each client’s policy objectives and to maximize the impact of their spending. Corridor focuses on highly competitive races where smart investments can make the difference between winning and losing.

The climate portfolio invests in races to elect climate and energy champions and to defeat candidates who oppose climate solutions.


Corridor Partners works with bipartisan teams of experts to conduct extensive research on elections, targeting, advocacy, and potential co-funding opportunities. The result is a multi-year, integrated political and advocacy framework that can be tailored to meet the specific objectives of each client.

Corridor’s current climate change and energy portfolio is aimed at building political support for national climate policy solutions.


Ali Simpson brings a background in campaigns and communications, having worked as an organizer and field director in presidential primaries and statewide ballot initiatives. Ali served as a policy consultant for a Los Angeles-based consulting firm, and worked on health care reform research and communications for the Black Sash, a human rights group in Cape Town, South Africa.


Melissa Roy has spent more than 15 years working in a variety of leadership positions with advocacy, political and philanthropic efforts. Most recently, Melissa was a top advisor to the Climate Action Campaign, a coalition that works to mobilize organizations & individuals in support of strong climate action. In addition, she has served in leadership positions with Share Our Strength’s No Kid Hungry Campaign, The Atlas Project, and has worked on a number of political campaigns at the state and national levels. Melissa serves on the Board of Directors for The Mitchell Institute, an organization that provides college scholarships and mentoring to students in her home state of Maine.


Heather Stone brings to Corridor Partners twenty years of electoral work, advocacy campaigns, and philanthropic experience. Heather has held senior leadership roles with Hillary for America (chief of staff to the campaign manager), Service Employees International Union (deputy political director), Democratic Congressional Campaign Committee Independent Expenditure (deputy director), America Votes (deputy executive director), and the Turner Foundation (program officer). Most recently, Heather served as Vice President for Global Programs at the Mastercard Center for Inclusive Growth.


Kathleen Welch brings decades of advocacy, campaigns, and philanthropic experience, holding leadership positions in state and national groups, the Legal Services Corporation, and as executive director of Equal Justice Works. Kathleen served in senior roles at The Pew Charitable Trusts, including as deputy director of the Environment Group. As a philanthropic advisor, Kathleen has engaged with a range of domestic and international donors. Kathleen currently serves on the boards of St. Lawrence University, the League of Conservation Voters, the Climate and Clean Energy Equity Fund, and is the board chair at the Natural Resources Defense Council (NRDC).