Maryanne Hancock

Chief Executive Officer

Maryanne leads Y Analytics in its strategy, development, and growth. Previously, Maryanne spent 20 years at McKinsey and Company, where she was a Senior Partner. Among her several leadership roles, Maryanne co-founded McKinsey’s K-12 education practice in the U.S. and served several poverty alleviation non-profits, including CARE. Maryanne holds a BA with Honors and an MA in Foreign Affairs from the University of Virginia, and a JD magna cum laude from Harvard Law School.

Brett Cotler

ESG Analytics and Reporting

Brett has a background in analytics, data science, and decarbonization modeling. Prior to joining Y Analytics, Brett worked at Gopuff, where he was one of the lead analysts supporting data needs across the company. Brett also has experience working with CDP and the Science Based Targets Initiative on Net Zero target criteria. Brett holds a B.S. in Applied Mathematics-Biology and an M.S. in Data Science from Brown University.

Matt Dayton

ESG Performance

Matt has a background in ESG advisory and data analysis. Before joining Y Analytics, Matt worked at Malk Partners, where he advised private equity clients on ESG risk mitigation and value creation strategies and conducted due-diligence activities on over 50 deals spanning an array of industries, including technology, education, and healthcare. Previously, he interned in the technology and biotech spaces. Matt holds a BA in Philosophy, Politics, and Economics (PPE) from Claremont McKenna College.

Adrienne Eichler

Executive Assistant

Prior to joining Y Analytics, Adrienne worked as an Executive Assistant/Project Manager at Egon Zehnder, providing support for assignments across a wide range of industries.  Adrienne holds a BA in Political Science from Florida State University.

Dakota Gangi

Head of ESG Analytics and Reporting

Dakota Gangi joins Y from Angelo Gordon's ESG and Sustainable Investing Strategy team, wherein he drove ESG integration across the Firm’s credit strategies to enhance Angelo Gordon’s cross functional ESG program, focusing on ESG data, carbon accounting and climate risk management. Prior to this role, he held various positions on Morgan Stanley's Global Sustainable Finance team, the Environmental Defense Fund (EDF), CDP (formerly the Carbon Disclosure Project) and PRI (Principles for Responsible Investment). Dakota received an M.S. in Sustainability Management from Columbia University. He also holds a B.A. in Environmental Studies from Binghamton University. Dakota is a CFA Charterholder and a Fundamentals of Sustainability Accounting (FSA) Credential Holder.

Sam Houmaoui

ESG Performance

Real Estate

Sam has a background in climate investing, energy analytics, and management consulting.  Prior to joining the team, Sam covered solar and green real estate investment strategies at Hannon Armstrong, the first U.S. public company dedicated to climate positive investments. Sam was previously a data scientist at Booz Allen Hamilton, where he worked on energy forecasting and economic modeling of sustainable infrastructure and emerging climate technologies for the U.S. Air Force and the NEOM project. Sam has also served at the EPA, working on the design of EJSCREEN, an environmental justice policy tool; and has advisory experience with an advanced mobility venture in the healthcare logistics space. Sam holds a B.A. in Economics and Environmental Policy from The College of William and Mary and has published research on the financialization of the early green bond market.

Katherine Ingram

Impact Solutions

Katherine has a background in research, policy analysis, and strategy in the energy sector. Prior to joining Y Analytics, Katherine worked at RMI, a clean energy think tank, where she provided policy recommendations for decarbonizing the U.S. power sector. She also conducted research on U.S. clean energy supply chain competitiveness at the Department of Commerce’s International Trade Administration. Most recently, she served as a strategy consultant for Protium Green Solutions, a UK-based green hydrogen developer. Katherine holds a BA in Economics and Environmental Studies from Washington and Lee University, where she was a Johnson Scholar, and an MA in International Economics and Energy, Resources, and the Environment from the Johns Hopkins University School of Advanced International Studies, where she graduated with Honors. 

Semiray Kasoolu

Head of Impact Solutions

Semi’s background is in helping governments, international organizations, and investors translate evidence-based research into more effective economic policies and capital allocation decisions. Prior to joining Y Analytics, Semi was a Research Manager at the Growth Lab at the Center for International Development at Harvard University, where she managed research projects focused on achieving sustainable and inclusive growth in a number of countries. Her areas of research focus include labor market frictions and women’s economic inclusion in the Middle East. Semi holds a B.S. in Economics and Accounting from Saint Peter’s University and a MPA in International Development from the Harvard Kennedy School.

Ellen Kaplan

ESG Analytics and Reporting

Ellen has a background in ESG consulting and mechanical engineering. Before joining Y Analytics, Ellen was a consultant with Centerbridge Partners, where she focused on ESG integration across the firm's private equity, private credit, and real estate strategies. Prior to this, she held various engineering positions within the renewable energy and life sciences sectors. Her experience in the latter included developing innovative solutions in ophthalmology and neuromodulation at Alphabet Inc.'s life sciences division. Ellen received an M.S. in Sustainability Management from Columbia University and a B.S. in Mechanical Engineering from Northeastern University.

Jordan Kranzler

Chief of Staff

Jordan has a background in strategy consulting and data analytics. Prior to joining Y Analytics, he worked at Deloitte Consulting, where he specialized in advising senior leaders of public sector loan and grant programs. Previously, he interned for two software companies and an economic development nonprofit. Jordan graduated from Brown University with a B.A. in economics.

Mary Kruberg

ESG Performance

Mary’s background is in economics and data science. At Y Analytics, she primarily supports the team’s ESG Analytics & Reporting capabilities. Previously, she was a research assistant for several economics projects within UC Berkeley’s Department of Economics, largely focusing on questions within development economics and labor economics. Mary graduated from Berkeley with High Honors in economics and a minor in data science.

Ritu Kumar


Emerging Markets & Evercare

Ritu has deep expertise in environmental economics, with more than 25 years of global ESG and sustainability experience, including successful development and delivery of climate change initiatives, resource efficiency, value creation through enhanced ESG practices, compliance monitoring (including IFC Performance Standards), and private sector capacity building for managing ESG issues across emerging markets. Ritu has spent several years with the UN Industrial Development Organisation, the private equity firm Actis and the UK development finance institute (CDC Group) where she established and led the ESG function. She has served on the Board and investment committee of the Global Climate Partnership Fund, advisory board of Marks and Spencer as well as several ESG Committees of private companies. She has a master’s degree in economics from the London School of Economics and Delhi School of Economics.


Will Mulhern

Impact Solutions

Will has a background in research and management consulting in the food and energy sectors. Prior to joining Y Analytics, Will worked at Castalia Strategic Advisors, where he advised governments on economics, finance, regulation, and policy to improve electricity services and drive the clean energy transition. He also worked as a consultant with the Climate Change Group at the World Bank and as a researcher at the Jahn Research Group at the University of Wisconsin-Madison. As a researcher, he assessed climate risks at the food-energy-water nexus. Will holds a B.S. in Environmental Sciences from the University of Wisconsin-Madison and an M.A. in International Economics and Energy, Resources, and Environment from the Johns Hopkins University School of Advanced International Studies.

Venessa Ng

ESG Performance

Prior to joining, Venessa was a consultant with Environmental Resources Management (ERM). Her expertise is in corporate sustainability, ESG, climate change and impact assessment. She has worked on ESG and carbon reduction strategies, sustainability-linked financial instruments, ESG reporting, management and verification of ESG-data etc. Before ERM, Venessa ventured into several youth initiatives, including being a founding member of Young Sustainable Impact Southeast Asia (YSI SEA) and joining the youth committee of the Singapore Chapter of United Nations Global Compact (UNGC). Venessa holds a Bachelor’s in Environmental Studies at the National University of Singapore (NUS).

Gracey Owen

Impact Solutions

Gracey joins Y Analytics with a background in management consulting with a focus on energy and conservation. Prior to joining Y Analytics, Gracey worked at McKinsey & Company where she advised clients on decarbonization, circularity, and nature analytics. She previously contributed to the climate space as the Director of Sustainability for a 501(c)(3) non-profit and as a Corporate Development Intern working on renewable strategy for a public utility. Gracey holds a BA in Business Administration from Georgetown University, where she graduated with honors.

Alex Popovski

Impact Solutions

Alex joins Y Analytics with a background in venture incubation, consulting, and policy research, primarily in healthcare. Previously, Alex worked at Roivant Sciences, focused on incubating health-tech ventures and launching an impact investing organization advancing global access to therapeutics and biopharmaceutical manufacturing capabilities. He also has experience designing and implementing novel healthcare delivery models in the public and social sectors through engagements at Group 17A, UNOPS, and the Touch Foundation. Alex holds a BA in Economics and Global Health from Harvard College.

Nuha Saho


Nuha has a background in leveraging interdisciplinary research insights to design and scale technology-based social impact investments for marginalized communities. Before joining Y Analytics, Nuha worked as a Senior Analyst at Schmidt Futures where he developed actionable statewide recommendations and investments to expand broadband connectivity and digital inclusion on behalf of the Reimagine New York Commission. During this time, Nuha also worked on the Learning Engineering Initiative where he made investments in social entrepreneurs focused on the intersection of education technology, machine learning, and learning. Prior to this experience, Nuha began his career at ideas42, a behavioral science design lab and consulting firm that uses insights from behavioral economics to design research-based experiments to address complex social problems. Nuha holds a BA with Honors in Social Studies from Harvard College.

Susan Shields

Executive Assistant

Prior to joining Y Analytics, Susan worked at Ernst & Young providing executive administrative support to the Americas ITTS Transformation Leader and the Central Region TP Leader. In these relationships, she provided project management oversight while managing multiple technology transformation workstreams. Susan is a cum laude graduate of the University of Texas at Arlington - College of Business, and holds dual BBA degrees in both Management and Marketing.

Ryan Ray

Head of ESG Performance

Ryan’s background is in corporate strategy and ESG in the alternative asset management industry. Prior to joining Y Analytics, Ryan was a Vice President in Angelo Gordon’s ESG & Sustainable Investing group where he focused on sustainability efforts across the Firm’s Real Estate investment strategy and product go-to-market strategy. Ryan began his career in Ernst & Young’s Wealth and Asset Management advisory practice. He received both his J.D. and M.S. in Accounting from the University of Virginia. He also holds a B.S. in accounting from the University of Tennessee.

Anna Sewell

ESG Analytics and Reporting

Prior to joining Y Analytics, Anna worked at Angelo Gordon, where she managed firm-level and real estate-related ESG initiatives, including external reporting, third-party vendor relationships, and corporate carbon accounting and sustainability efforts. Prior to this role, Anna was a fifth-grade teacher at The Windward School, where she taught students with language-based learning disabilities for several years. Anna received a B.S. in Human and Organizational Development and Elementary Education from Vanderbilt University. She earned an M.A. from the Reading Specialist Program at Teachers College, Columbia University. Anna also holds a Certificate in ESG Investing from the CFA Institute.

Liz Stiverson

Global Head of ESG

Liz leads TPG’s firm-and portfolio-level ESG strategy and programs at Y Analytics. Before joining Y Analytics, she spent seven years serving as Chief of Staff to TPG’s CEOs and Executive Office, and she also plays a founding leadership role in TPG NEXT, the firm’s initiative to seed, support and scale diverse investors and entrepreneurs. Prior to TPG, Liz worked for BCG, where her work included research and operational change for charter school networks and metropolitan school districts. She holds a BA with Honors from Yale University and an MBA from The Wharton School of the University of Pennsylvania.

Bo Thomas

ESG Performance

Bo has a background in strategic ESG advisory, beginning at Malk Partners. As a founding member of the firm’s multi-asset strategy team, Bo spearheaded annual reporting processes for institutional clients, advised on alignment to best-in-class fund-level initiatives, and performed 50+ ESG due-diligence projects for companies spanning industrial, consumer, and technology sectors. Bo's diverse experience extends across the startup, international development, and solar tech spaces. Bo holds a BA from Brown University, majoring in International Relations with a focus on East Asian Studies.

Rachel Tsang

ESG Performance

Rachel comes with a background in ESG investment management and sustainability strategy advisory. Before joining Y Analytics, Rachel worked at Temasek International, where she supported the integration of ESG within portfolio management practices and contributed to the development of the institution's sustainability strategy and disclosures. Prior to Temasek, Rachel was with KPMG focusing on sustainability reporting and corporate sustainability strategy advisory. These experiences have allowed her to gain familiarity with leading sustainability-related frameworks and initiatives. Rachel holds a Bachelors in Business Management from Nanyang Technological University (NTU) and a ESG Analyst certification by the CFA Institute.

Amber Zhang

ESG Performance

Amber has a background in ESG and impact measurement, strategy consulting, and policy research. Before joining Y Analytics, she worked at the Global Development Incubator, Center for Global Sustainability, and Measuring Success, where she drove evidence-based impact strategy/policy-making around topics like clean energy and quality education. She also worked as a Research Lead at finch startup, where she helped develop tech-enabled solutions for ESG/Impact assessment. Amber has a Master’s degree in Public Policy from the University of Maryland, and a Bachelor’s in English Education from Zhejiang International Studies University. She is a World Economic Forum Global Shaper.