Rostam Zafari is a humanitarian, founder, and poet. He is passionate about building access to affordable healthcare, quality education, healthy food, and economic opportunity for underserved communities through impact investing and philanthropy. Rostam founded Rapid Ebola Detection Strips (REDS), which identified Ebola Virus Disease (EVD) in record time and reduced the cost of testing from $50,000 to less than $50. He also helped build The New School, a high school based on the principles of community-engaged learning and social entrepreneurship. He was formerly the Chief Investment Officer for Sage Hill Capital Partners, where he led more than 50 investments in purpose-driven founders and fund managers across the US, Europe, India, and Africa. Rostam is currently the Managing Partner at World Within Labs, a venture firm dedicated to building legendary companies serving underserved communities.

Brenda Boone has spent the last 30 years in the field of aviation. For the most recent 22 years she was the founder and CEO of Human Solutions, a human engineering company that bid and won large-scale federal contracts with the Federal Aviation Administration and NASA. With her background in Industrial Psychology, Brenda’s company designed and implemented systems focused on the users instead of the traditional engineering approach of having humans adapt to the system.

Over the years, Brenda has received many professional and humanitarian awards, and she is highly respected and a well-known collaborative thought leader in the industry. She has spoken at hundreds of conferences around the world. Her niche company help to modernize the National Airspace System by using human-centered designs to build and implement air traffic control programs as well as systems for the cockpit. After 22 years in the driver’s seat, she sold her company in 2017.

From a very young age, Brenda has supported women’s and children’s rights. She established the Brenda Boone Hope Center in 2007 (now Ripples International) in Kenya. To date, this full-care facility has provided medical, legal and psychological care services for over 400 girls who have been raped.

Brenda grew up on the East Coast and has always been in involved in local cleanups for the ocean and the coral reefs of Florida.  She holds a Bachelor of Science in Communication Theory and Ph.D. in Industrial Psychology.

Kristin Frank is President and Board Director of AdPredictive; a fast growing software company empowering the world’s largest brands to impact business outcomes using data-driven technology and customer marketing intelligence. Brands leverage AdPredictive for media accountability, automation and attribution at the vanguard of the multi-billion dollar movement toward transparency in media strategy.

Kristin is a well-respected and highly seasoned industry thought leader and transformational executive with more than 20 years of experience. Over the course of her career, she has built, led and scaled numerous successful businesses, including several senior leadership roles at Viacom. Most recently, she served as Chief Operating Officer at MTV, where she managed revenue, strategy and operations for a $1.8 billion portfolio. She spearheaded the brand’s turnaround, brand reinvention, digital innovation and market growth. Previously, she was EVP, Viacom Music and Entertainment Connected Content Division, where she doubled revenue by transforming consumer product, data, engineering and content. Kristin was General Manager for MTV and VH1 Digital where she doubled traffic to its digital platforms.  Previously she was Chief Operating Officer of LOGO TV, where she launched and built a powerful new media business.

Kristin serves on the Board of Brightcove, Gaia and Cornerstone Capital. She served on the Board of Gaiam and completed the sale to Sequential Brands in 2016. Kristin has been recognized by numerous organizations including Variety who named her one of the most powerful women in cable and top women in digital.

Matthew Swibel is a member of the Cornerstone Board of Directors. He has worked every facet of the sustainability and communications profession over a nearly 15-year career, from award-winning journalist to lead communicator for a 6,000-employee segment of a Fortune 60 company to founding director of a forerunning corporate sustainability team. Along the way, he has earned a reputation as a trusted business strategist and advisor to senior leaders—someone who can both shape strategic objectives and execute the tactics successfully. In Matt’s current role, he directs sustainability strategy, reporting and stakeholder engagement at Lockheed Martin Corporation, the top-ranked Aerospace & Defense prime contractor named to CR Magazine’s 100 Best Corporate Citizens list. He led Lockheed Martin’s inaugural report in 2012, and its first issues assessment, formal stakeholder meetings and GRI-based report in 2013. From 2008 to 2012, Matt was Director of Enterprise Communications, where he led a team supporting the CFO, Executive Office of the Chairman and other corporate officer titleholders. In this role, he developed and planned multiple aspects of integrated communications including employee and supplier engagement, advertising and outreach to investors and financial/environmental media.

Matt spent almost a decade as a journalist, most recently as Associate Editor of Forbes, where he was recognized by the Overseas Press Club for his business reporting from abroad and co-edited the World Billionaires issue. Prior to Forbes, he was a staff reporter at Washington Business Journal, where his coverage of marketing and web-based political fundraising each earned Maryland-DC-Delaware and Virginia Press Association awards. He taught as an adjunct professional lecturer at American University’s School of Communication from 2005 to 2008.

Matt graduated cum laude from American University (DC) with degrees in Communications and Sociology and earned an M.B.A. from the University of Maryland Smith School of Business. Matt serves on the board of Congregation B’Nai Tzedek and the College Gardens Elementary School PTA, both in Montgomery County, Md., and Cornerstone Capital.

Kate Rebernak is a member of the Cornerstone Board of Directors and has 23 years of experience as a strategic advisor and communicator. A former commercial-litigation attorney, Kate advises global corporations on corporate strategy, management for sustainability, and communications on corporate sustainability performance. In 2003 she founded Framework:CR, now Framework LLC, which helps companies understand, improve, and communicate their environmental, social, and governance performance in the context of business risk and opportunity, financial results and brand equity. Kate is primarily responsible for the firm’s strategic consulting work with clients.

Kate publishes and speaks frequently on the strategic value of sustainable business practices. She is a regular contributor to Ethical Corporation magazine, is a member of the Ethical Corporation editorial advisory board, and serves as Framework’s representative on the Sustainability Accounting Standards Board (SASB) Advisory Council. In addition, Kate has served as a guest lecturer at the Center for Business and the Environment at Yale (CBEY) Business and the Environment Consulting Clinic since 2009. Kate holds a B.A. in English from the University of Missouri at Columbia and a J.D. from Saint Louis University School of Law and is a member of the State Bar of Texas. She also serves on the board of trustees of the Green Meadow Waldorf School in Chestnut Ridge, New York.

Andrew Masanto is a serial entrepreneur and investor. Most recently active in the fintech and blockchain space, Andrew is currently Co-Founder and Chief Strategy Officer of Good Money. He was the Founding Chief Marketing Officer of both Reserve and Hedera Hashgraph.

Andrew experienced his early successes (pre fintech) in the digital marketing space. His first venture was Altitude Shoes, which eventually became the leading online sellers of Men’s Height Increasing Shoes in the UK. Andrew then founded and sold Higher Click SEO Agency. Andrew has previously lectured on internet marketing at Harvard Business School and Oxford University amongst other organizations. He has also published numerous articles on the topic of internet marketing (e.g.

Before entering into the technology and marketing space, Andrew was a dual qualified Lawyer in Australia and the UK. He worked as a lawyer at Linklaters in the UK and an investment banking analyst at Rothschild in Australia. He graduated from the University of Sydney with a Bachelor of Commerce and Bachelor of Laws (double degree), where he received 1st Class Honors and was a Deans List student for both his degrees.


Joanne Jacobson is a member of the Cornerstone Board of Directors and an Entertainment and Media Executive. She most recently worked at Viacom Media Networks‘ VH1, MTV and CMT channels, developing growth and turn-around strategies and new business development efforts. She was a founder of Viacom’s network LOGO, the first multi-platform channel dedicated to serving the LGBT community and worked on strategy and operations at Viacom’s Nickelodeon, Nick at Nite and TV Land networks during her 14-year tenure. Prior to Viacom, Joanne developed digital distribution and marketing strategies for Discovery Communications’ core networks Discovery, TLC and Animal Planet. She holds a Bachelor of Arts degree from Trinity College and an MBA from Columbia Business School.

Ibrahim AlHusseini is a humanitarian and investor dedicated to financing companies that implement market-ready solutions to our greatest social and environmental challenges. AlHusseini spent his early career as a sustainability-focused entrepreneur, with significant experience in operations, sales, and finance. He is dedicated to addressing our growing global waste crisis and founded FullCycle Energy LP to finance projects that convert our costly environmental problem into clean, valuable fuel to power communities around the world.

AlHusseini concurrently manages his family office, The Husseini Group LLC, in Los Angeles, CA. The Husseini Group has more than a decade of experience funding ventures that embrace social enhancement and ecological sustainability, with numerous notable holdings. He is a frequent speaker at family office and wealth conferences, and routinely speaks at universities and summits to promote the merits of impact investing and the solution economy.

Equally passionate about gender equality and the arts, AlHusseini supports several NGOs advancing social and cultural change in societies that adversely impact women and girls. In addition to serving on Cornerstone Capital’s Board of Directors, he serves on the boards of Synova Power, The Culture Project, The Global Partnership for Women and Girls, and The Biomimicry Institute. In 2013, AlHusseini co-executive produced the documentary The Square, about the Egyptian Revolution of 2011 that began at Tahrir Square. The film was nominated for the Academy Award for Best Documentary Feature at the 86th Academy Awards, as well as for 4 Emmy Awards, winning 3. In 2015, AlHusseini was honored with a Millennium Award from the Global Green organization.

Dr. Hummel is the founder of Clean Energy Works, which connects champions of energy efficiency and renewable energy with resources that accelerate investment in the deployment of clean energy solutions. In addition, Dr. Hummel serves on the board of Cleantech Open, the world’s largest accelerator built to find, fund, and foster the most promising cleantech startups and also on the board of Cornerstone Capital Inc.

In 2009, Dr. Hummel was appointed as the Senior Policy Advisor in the U.S. Department of Energy’s Office of Policy & International Affairs, serving through 2013. In that capacity, Dr. Hummel engaged a wide range of industry and public interest stakeholders to inform energy policy decisions on such topics as clean energy finance, water-energy interdependency, natural gas resource development, trade policy, climate change, environmental regulation and grid reliability. In addition to stewarding agency work on energy and climate policy development, Dr. Hummel founded the Water-Energy Technology Team within DOE and also led the DOE Energy Finance Working Group.

In earlier public service, Dr. Hummel served as a Congressional Science Fellow focused on energy and climate policy. Prior to moving to Washington, D.C., Dr. Hummel designed corporate energy strategies for clients of Silicon Energy, an energy software firm acquired by Itron, and later consulted briefly with the Google Energy & Climate team. Dr. Hummel was first hooked on energy technology innovation 20 years ago as a co-leader of the Clarkson University Solar Car Team, which designed and raced a highly efficient experimental electric vehicle across the country using only the power of the sun.

In graduate studies, Dr. Hummel researched ways to interpret energy scenarios for climate stabilization as one of the first to earn a doctorate degree from the Interdisciplinary Program on Environment and Resources at Stanford University and also has a Switzer Environmental Fellowship.

Judith Albert is Chair of the Cornerstone Board of Directors. She is the former Executive Director of Environmental Entrepreneurs (E2), a national community of business leaders who promote sound environmental policy to grow the economy.

Ms. Albert joined E2 following a long career in investment banking. Most recently, she was at Bear Stearns, where she was Chief Operating Officer-Investment Banking, London and prior to that Chief of Staff-Investment Banking, New York. She advised Latin American clients at J.P.Morgan as the capital markets re-opened to them in the 1990s, and helped found Violy, Byorum & Partners, a boutique firm focused on Latin America. Prior to banking, she practiced corporate law with the firm of Paul, Weiss, Rifkind, Wharton & Garrison. Judith began her career with The Ford Foundation, based in Mexico, and has extensive experience in emerging markets. Ms. Albert is a graduate of Harvard Law School and Yale College.

Erika Karp founded Cornerstone Capital Group to bring the disciplines of finance and economics together in pursuit of a more regenerative and inclusive form of capitalism.

Prior to launching Cornerstone, Erika was Managing Director and Head of Global Sector Research at UBS Investment Bank. She chaired the Global Investment Review Committee, served on the UBS Securities Research Executive Committee, and served on the Environmental and Human Rights Committee of the UBS Group Executive Board.

Her work has been featured by media including Bloomberg, The Guardian, the Financial Times, Investor Relations Magazine, and Forbes. Erika speaks on sustainable investing and finance at venues around the world including the UN Global Compact, the UN Principles for Responsible Investment (PRI), the Clinton Global Initiative, the Wharton School, the NYSE, the Organization for Economic Co-operation & Development (OECD), the Aspen Institute, the White House, and many other forums. Erika holds an MBA in Finance from Columbia University and a BS in Economics from the Wharton School.

Selected achievements:

Founding Board member, the Sustainability Accounting Standards Board

Advisor to the Humanity United’s Know The Chain initiative

Ambassador for the International Integrated Reporting Council

Member of CECP’s Strategic Investor Initiative Advisory Council

United Nations General Assembly Speaker and Global Compact Board Advisor

Advisor to former Clinton Global Initiative Market-Based Approaches team;
plenary speaker at 2014 Winter Meeting

Served on World Economic Forum’s Global Agenda Council on Financing & Capital

Served on Program Design Advisory Council, Harvard Business School’s Executive Education Program, Innovating for Sustainability

Has been named among the nation’s “Top 50 Women in Wealth” by AdvisorOne, one of the “Purpose Economy 100,” the “Good 100” and one of 50 “Conscious Capitalists” who are “Transforming Wall Street.” Named by Worth Magazine’s “Groundbreakers 2020: 50 Women Changing the World.” Received Babson College’s 2019 Lewis Institute Centennial Social Innovator Award