Our Team

Walter joined Clean Yield in January of 2017 as Operations and Client Services Manager. In this role, Walter leads our account administration and works closely with our portfolio managers and clients to make sure that accounts are opened, reconciled, and processed properly. Previously, he was a vice president and account administration supervisor at Eaton Vance Management in Boston. At Eaton Vance, Walter oversaw a team of seven who were responsible for all administration functions in the investment operations group. Walter has considerable experience in account administration and enjoys using his skills to make the client experience as seamless as possible. He thrives on the day-to-day interactions with clients. Walter is a recent transplant to the Northeast Kingdom of Vermont, where he loves the escape from the hustle and bustle of his previous city life. He and his partner, Shawn, a middle-grade and young-adult author, live in Danville with their four children. He holds a B.A. in broadcast journalism from Emerson College.

Eric manages client portfolios and oversees the firm’s investment and portfolio management discipline. Eric has been engaged in social and environmental investing since 1993. He joined Clean Yield in 2009 after 16 years as an equity analyst and portfolio manager for Trillium Asset Management in Boston. Eric was a founding member of the Slow Money movement, which seeks to connect investors and entrepreneurs in the service of building a regenerative food system and healthy communities. Eric served as a trustee of Sterling College in Craftsbury Common, Vermont for over a decade. Previously, he was a board member of The Carrot Project and a senior fellow of the Environmental Leadership Program. Eric holds a B.A. in comparative religion from Haverford College and earned the Chartered Financial Analyst designation from the CFA Institute. Eric lives in St. George, Vermont with his wife Sarah, stepchild Jay, and two rescue dogs. His two grown children, Isabelle and Cedric, have fledged the nest. In addition to his lifelong devotion to Boston's major sports teams, he is an avid supporter of Tottenham Hotspur Football Club in the English Premier League and Vermont Green Football Club in USL League Two.

Karin oversees the research and implementation of Clean Yield’s alternative and community investments, focusing on food and agriculture in Vermont and Greater New England. Karin started her career in sustainable investing in 1997 as a social research intern at Trillium Asset Management while pursuing her master’s at Tufts University. After graduation, she spent 10 years with KLD Research & Analytics, where, during her tenure as Index Manager, the number of sustainability indices grew from two to more than 30, and the assets under management licensed to those indices increased tenfold to more than $11 billion. Karin serves on the board of BlueCross BlueShield of Vermont and serves on the executive committee of Slow Money Vermont. She enjoys being a guest lecturer on sustainable business and investing at local business schools and a judge for impact investing and social entrepreneurship contests. From 1994 to 1997, Karin served as a livestock production volunteer with the U.S. Peace Corps in Ecuador. She holds a B.A. in international relations from Kenyon College and an M.A.L.D. in economics and environmental policy from The Fletcher School at Tufts University. Karin is trilingual in English, Spanish, and German. Karin is a recovering endurance athlete who now enjoys hiking and biking in the summer, telemark skiing and Nordic speed skating in the winter and CrossFit year-round. Having grown up on an organic sheep farm in Etna, New Hampshire, Karin is thrilled to be back in the Upper Valley.

Elizabeth manages client portfolios and runs the firm’s business operations. She came to Clean Yield with 25 years of experience in socially responsible investing. Elizabeth started her career crafting a community banking program for a Vermont bank that focused on ensuring access to credit for low-wealth communities. Subsequently, she worked for two SRI asset management companies, managing portfolios for clients. Immediately prior to joining Clean Yield, she was with the Calvert Foundation (now Calvert Impact Capital), a nonprofit investment firm that works to move capital into communities around the world. She was instrumental in growing the organization from six to 38 employees, with a loan portfolio of $200 million. Elizabeth currently sits on the board of the Upper Valley Rowing Foundation and is an elected official on the Lyme School Board. She has also served on the board of the Social Investment Forum, Green America, Vermont Public and Vermont Community Loan Fund and served as a trustee to Marlboro College. Elizabeth fervently believes that incorporating values into investment portfolios is common sense, and she delights in working with clients to build custom portfolios that reflect their personal beliefs. Elizabeth received a B.A. from Marlboro College and is a graduate of the National Graduate Trust School at Northwestern University. She also has a degree in financial planning from Boston University. Elizabeth loves most sports and competes nationally in rowing. She and her husband Peter have three grown children and live in Lyme, New Hampshire.  

Dorigen manages client portfolios and is also responsible for the firm’s compliance and operations functions. Immediately prior to joining Clean Yield in 2006, Dorigen was an assistant attorney general for the state of Washington. At the attorney general’s office, she worked on litigation and client advice regarding natural resource management, land use, and public records. She has also spent time in Beijing working on land development issues and has worked for a variety of U.S.-based environmental nonprofits and government agencies. Dorigen’s investment interests vary widely, but she particularly enjoys helping clients feel more knowledgeable and comfortable with their investment portfolios. She works hard to make sure that clients’ values are incorporated into their accounts and that they feel heard during every interaction. Dorigen has more than 30 years of experience with Clean Yield, although many of these were as a volunteer. The daughter of co-founder Rian Fried, her first job, at age seven, was licking stamps and sealing envelopes for the Clean Yield newsletter. Dorigen holds a J.D. from the University of Washington and a B.A. from Washington University in St. Louis. She lives in Maryland with her husband, Jon, and their two daughters. She can frequently be found running, hiking, visiting D.C.’s museums, cooking, and playing tag with her kids.

Kofi is responsible for researching publicly traded equities and managing client portfolios. Kofi has over 15 years of experience in investment research, portfolio management and ESG investing. He has proven expertise in managing equity and sustainability-themed portfolios, conducting fundamental and thematic research and orchestrating stewardship initiatives to drive regulatory-compliant sustainable investments. Kofi was a founding member of KeyTranche, an investment analytics platform that leverages advanced technologies and data to transform how investors analyze opportunities and make investment decisions. Prior to that, Kofi spent 12 years at Allianz Global Investors as a research analyst and senior portfolio manager, overseeing three public equity ESG funds, and helping to build the firm’s Global Thematic Equity platform focused on sustainable investing. In his role as a research analyst, over the years he focused on multiple industries including Technology, Telecommunications, Consumer and Healthcare, and on thematic topics including Clean Energy, Water, Waste Management and Healthcare. Kofi received his undergraduate degree in computer science at Claflin University and his MBA in Finance and Management from the Wharton School, University of Pennsylvania. Kofi lives in Somerset, New Jersey with his wife and two kids. He enjoys traveling and is an avid supporter of the EPL team Chelsea Football Club.

Liz is responsible for researching publicly traded equities and managing client portfolios, having joined Clean Yield in June 2024.  She brings more than 20 years of experience in Sustainable Investing, beginning with an internship at Innovest in graduate school in 2001, eight years with Winslow Management (which was acquired by Brown Advisory), and most recently 12 years at Trillium Asset Management, as a research analyst, portfolio manager, and the Head of ESG Strategy.  Liz is passionate about aligning investment portfolios with values, and has deep experience managing divested, fossil fuel free, and clean energy investments. Liz is currently a member of the Board of Directors of US SIF, the Sustainable Investment Forum.   She is also the Treasurer of the Board of the women’s health non-profit Our Bodies, Ourselves. Liz is a Chartered Financial Analyst.  She holds a Master of Environmental Management from the Yale School of the Environment, and a B.S. from the College of William and Mary. Liz lives in Lincoln, Massachusetts with her husband, two daughters, and rescue dog.  She can often be found running or walking on the trails near home, and spends as much time as possible hiking, skiing and snow shoeing in the White Mountains.

Jenny joined Clean Yield in March of 2023 as Operations and Reconciliation Manager. In this role, Jenny is responsible for maintenance, reconciliation, and quality control of all investment-related data in our portfolio management and reporting system. Previously, she was a Data Coordinator at Sandhill Investment Management in Buffalo, NY. At Sandhill, Jenny oversaw all data administration as well data reconciliation. She received her bachelor’s degree from the University at Buffalo in 2018. Graduating in only three years, she earned a degree in Business Administration with concentrations in both Finance and Management Information Systems. Jenny is bilingual in English and Vietnamese. Jenny currently resides in Denver, CO with her boyfriend, Brian and rescue pup, Suki. She can be found snowboarding, hiking, camping and enjoying the outdoors.

Mary Lou Robinson manages accounting, human resources, and financial analysis for Clean Yield. She first added Clean Yield as a client for her bookkeeping business in 2014, and in 2021, she closed her business—which she had owned for 21 years—and joined Clean Yield as an employee. Mary Lou serves on the board of the Lyme Water Association as a director and as its treasurer. She also serves as treasurer for the town of Lyme. A New Hampshire native, she grew up on a "gentleman's farm" in Peterborough, lived in the Portsmouth area for five years, and moved to Lyme in 1991. When not working, she loves babysitting her granddaughter, Alice, spending fun time with her daughter, Erin, her son, Galen, and his wife, Amanda, as well as playing with her dog, Louie, and watching the Bruins. When time allows, she likes skiing, hiking, playing tennis, and stacking wood (yes ... really ... not kidding).