World Tree logo.

ELEVATE • EDUCATE • INNOVATE
FOR OUR PLANET

We intend to elevate every person, organization, and community
who we directly or indirectly interact with.

And we do this for the entire planet.

We are educators.
We intend to educate every person, organization, and community
who we directly or indirectly interact with.

And we do this for the entire planet.

We are innovators through and through.
We intend to bring innovation to every challenge and every issue that we face.

And we do this for the entire planet.

Meet our executive team

The Executive Team

Leading the charge

Doug Willmore

Doug Willmore

Chief Executive Officer

Doug Willmore is the former Chief Executive Officer of Reference Pathology Services – a leading research pathology laboratory. Doug led the growth and turnaround of the firm from 21 employees and $1.2M in revenue upon joining the company to 120 employees and $22.2M in revenue upon the company’s sale of $33.5M to Ameripath, Inc. four years later.

Doug has had an accomplished career in both the public and private sectors. He recently completed five highly successful years as the City Manager of the City of Rancho Palos Verdes, CA. Prior to Rancho Palos Verdes, Doug was chosen to lead the turnaround at the City of Bell, CA after the disastrous administrative scandal that left the City on the verge of bankruptcy. After almost three years at the helm, the City of Bell had fully recovered financially – going from a $200K general fund balance to a $22.5M fund balance.

Prior to that, Doug was the Chief Administrative Officer of Salt Lake County, UT for 6 years. He managed more than 4000 employees and an annual budget of more than $800M. He also led the County during the financial downturn of 2008, and producing one of the most amazing public finance success stories of the great recession in the US according to Standard and Poor’s.

He also worked for USAID in Central America for three years earlier in his career, and has also been a sought-after consultant in breakthrough performance to Fortune 100 companies. Doug has a BS in Public Administration from George Mason University and a Master’s Degree in Public Administration from the University of Utah.

World Tree President and Chief Operations Officer, Dr. Cathy Key.

Dr. Cathy Key

President and Chief Business Development Officer

Dr. Cathy Key has been working with the Empress Splendor tree (Paulownia) since 2015 . She oversees the Company’s operations in 5 countries, including the tissue labs, nurseries and farmers.

She has been instrumental in the roll out of cutting edge audit processes, supply chain diversification and management of biological assets. Cathy also has been directly involved with 6 agroforestry investment offerings for World Tree.

Cathy has presented World Tree to Canadian and US audiences on the stage of conferences including the Social Finance Forum and Sustainatopia, as well as investment groups in cities throughout North America.

With a PhD in Anthropology, specializing in the economics of cooperation, Cathy brings a diverse skill-set to the organization.

Prior to World Tree, from 2001 to 2015, she successfully launched and managed a software company, working with organizations that include Telus, McGill University, Johnson and Johnson, University of Illinois and the University of British Columbia.

Deb Cullen

Deborah Cullen

Chief Financial Officer and Chief Administrative Officer

Deborah Cullen is an accomplished finance executive who worked for more than 25 years as a finance executive with the USPS.

Deb has been a senior audit manager for Mayer Hoffman McCann and audited organizations ranging in size from $10M - $150M.

Deb was also the Finance Director for the City of El Segundo, CA for almost 10 years. She oversaw and managed a budget of more than $225M annually.

Most recently, Deb was the Finance Director for the City of Rancho Palos Verdes, CA until October 2019 when she joined World Tree as the CFO.

Terry Rodrigue

Terry Rodrigue

Chief Operating Officer

Terry is a professional engineer and an experienced entrepreneur and business executive. He founded and grew an engineering company from one person to almost 500 professionals providing a wide variety of services to public and private clients throughout the Western United States. The company managed the planning, design and construction of billions of dollars of infrastructure and was the recipient of numerous awards and accolades. Terry has an MBA from the University of Southern California and has provided executive level consulting to pubic agencies and private companies throughout his career. He brings his background in building and operating in a rapid growth environment and knowledge of field operations to World Tree Operations.

Meet the department leads

Experts in their field

Meet our board

Our team is comprised of genuinely gifted minds

Cofounder of Tribewanted Ltd, Filippo Bozotti.

Filippo Bozotti

Cofounder of Tribewanted Ltd

Born in Milan, Italy, with a degree from Boston University, Filippo is the co-founder of Tribewanted Ltd (tribewanted.com), developing sustainable communities for eco-tourism in Fiji (2007-2012), and Sierra Leone (2010-2015). Both projects were handed back to the local community after 5 years and Filippo founded Tribewanted Monestevole in Umbria, Italy (2013-present), retrofitting a 15th century borgo into a sustainable hamlet and farm. Monestevole welcomes dozens of school groups and retreats every year, offering a fully immersive sustainable experience.

Prior to Tribewanted, Filippo worked as a documentary film producer in New York and was a founding partner of Shine On Sierra Leone, a non-profit operating in healthcare, education and microfinance in Sierra Leone. In Italy, Filippo is a partner in Italia che Cambia (Italiachecambia.org) a newspaper that focuses on positive news, which counts over 200,000 unique readers a month. As a youth Filippo lived in France and Switzerland before moving to Boston; he is fluent in Italian, English and French. His passions are sustainable living and social activism; his hobbies are horse riding, permaculture and traveling to off-the-beaten-path locations. He lives in Monestevole, Umbria, Italy with his wife and daughter.

Tiffany Persons

Tiffany Persons

Owner of Tiffany Company Casting

Tiffany Persons founded Tiffany Company Casting in 2005. She and her team provide commercial casting for some of the largest brands in the world: American Express, Google, AT&T, Nike, Apple, Washington Mutual, Facebook, Disneyland, Starbucks to name a few...

Known for bringing joy, passion and vulnerability to the advertising world, Tiffany is a champion for the beautiful communities of Sierra Leone. With unabashed enthusiasm and the collective generosity of so many, Shine On Sierra Leone has created groundbreaking education, healthcare, micro-loans, sustainability, and agriculture programs.

Most recently, she has joined the ranks of David & Goliath Ad Agency to recruit new and more diverse talent, as well as lead trainings on Black culture in media to change the conversation about minority groups in marketing at its root.
Tiffany is currently based in Topanga Canyon in the Los Angeles area where she lives with her daughter and partner-in-joy, November.

CEO of Green Diamond, Todd Fein.

Todd Fein

CEO of Green Diamond

Todd is a creative, driven, future-facing executive, with a passion for creating a sustainable world and 25 years of experience in management and technology consulting and business building. In addition to serving as CEO of Green Diamond, Todd serves as Director on the Board of the World Future Society, speaks around the world, and has been written about by Forbes. He holds Global Reporting Initiative, Carbon Disclosure Project, and other specialized credentials and affiliations.

Todd founded Green Diamond to help large corporations and government agencies achieve maximum, sustainable performance. He has led pioneering work for giants ranging from ExxonMobil and the Security and Exchange Commission’s Public Company Accounting Oversight Board to the S&P ESG arm that drove the original Newsweek Green Rankings and the Sustainability Accounting Standards Board. After having helped Secretary of State Clinton establish the Greening Diplomacy Initiative (GDI), Todd was asked to become the Franklin Fellow at the US Department of State for US global sustainability reporting. He not only helped define sustainability for the Department’s ~$50 billion global real estate portfolio of 24,000 buildings and 90,000 people who conduct diplomacy, development and defense through them, but also liaised with and helped groups like the White House sponsored Interagency Sustainability Working Group. He is also one of the visionaries for the global Sustainability Intelligence data management and analytics platform Green Diamond has been evolving for decades in conjunction with its clients.

Prior to Green Diamond, Todd founded and served as Director, COO, and CFO of CadenceQuest, Inc., a firm he launched to bring analytics and intelligence to the forefront of performance and risk management. He led work for flagship clients ranging from Wal-Mart, CVS Pharmacy, and Bank of America to the US Dep’t of Health & Human Services, Dep’t of Education, and House of Representatives. While launching, he also served as advisor to the CTO of the State of New Jersey, the top executive of the State’s 1,000+ person, $200+ million Office of Information Technology (OIT). He helped incubate ideas and programs ranging from educating leaders and generating revenue to sharing infrastructure and enabling economic development through technology.

Prior to founding CadenceQuest, Todd helped found and served as Director of Operations and Corporate Development for Cvent, a pioneer in online, on-demand event, marketing, and data management and analysis to help people with common interests connect. Over time, the company grew to support roughly 200,000 people across 40 countries run more than 500,000 annual events and campaigns. Reporting directly to the CEO, Todd was responsible for helping cement financial, go-to-market and product management strategies and operations through the company’s initial growth.

Prior to Cvent, Todd was a Manager at American Management Systems (AMS), now CGI, a global management and technology consultancy with roughly 70,000 personnel in offices spanning 40 countries. There, he helped build an environment, health, safety and sustainability practice and co-invented TEMPO (Tools for Environmental Management and Protection Organizations), an enterprise-wide management system for the public and private sectors to exchange regulatory data. It reflects over $30 million of R&D investment, handles over 1.5 million permits and $500 million of annual fees. It became the first patented invention in the company’s 30-year history, was showcased to all governors, was nominated for archival in the Smithsonian, and remains the most widely adopted system of its kind in the US by the agencies and tens of thousands of companies who interact and exchange regulatory data with them.

Todd holds a Systems Science Engineering degree from the University of Pennsylvania's School of Engineering and Applied Science, with a concentration in environment and materials, and an Economics degree from the Wharton Business School, with a concentration in finance, specializing in investment.

Mark Watson

Mark Watson

Co-founder and President of Potlikker Capital

Mark Watson is Co-founder and President of Potlikker Capital, a farm community governed charitable integrated capital fund dedicated to supporting BIPOC farmers at the intersection of racial and climate justice. Potlikker Capital is a supporting entity to Jubilee Justice. He also serves as Senior Investment Strategist, after serving as Managing Director of the Fair Food Fund, which offers catalytic capital with a social equity lens to improve community access to healthy food and increase wealth through more local ownership of the means of the production and distribution of food.

Mark is also the founder of Keel Asset Management LLC, a financial advisory firm that provides socially responsible financial planning and investment advisory services to nonprofits, public and corporation pension plans. He started his career as a banker at the First National Bank of Chicago, now JP Morgan in commercial banking, corporate and public finance. He had a 30-year career which included managing investment portfolios for foundations, endowments, and institutional pensions funds. Most recently, Mr. Watson co-designed and launched an integrated racial justice capital fund, The Boston Impact Initiative Fund and managed the deployment of capital to over 30 small businesses.

Mark continues as an investment committee member of the Boston Impact Initiative Fund; an advisory board Member of MIT/Health Innovation Systems Inc.; Director of Transition of The Institute of Educational Leadership; board president of Sustainable Cape, Inc.; and a former board member of the Social Venture Network. Mr. Watson holds a Bachelor of Science in Finance, University of Illinois Champaign -Urbana and a Master’s in Business Administration, The Booth School, University of Chicago.

Jeff Nuss

Jeff Nuss

Founder and former President & CEO of GreenWood Resources, Inc.

Jeff Nuss is a senior advisor and impact investor after 22 years as Founder and former President & CEO of GreenWood Resources, Inc. (“GreenWood”) and its subsidiaries. Jeff has over 28 years of business development, management and investment experience, and more than 20 years of experience in international business development. Under his leadership, GreenWood grew to over 150 professionals with experience in overseeing forestry assets and investments close to $2.0 billion in North America, Latin America, Europe, and Asia (China) and managing approximately 741,000 acres (300,000 hectares) in forestry operations certify under third party audited certification programs.

As CEO, he was directly responsible for the leadership and strategic direction of the company and overall management of the business. He served as Chair of GreenWood’s Executive and Investment Committees as well as Chaired various Boards related to specific investments made by GreenWood.

GreenWood became an affiliate of TIAA’s Asset Management business (Nuveen) when TIAA acquired an ownership in 2012 and was responsible for overseeing timberland investments made on behalf of TIAA’s General Account as well as for Global Third-Party Institutional Investors seeking the diversification, climate impact, and risk adjusted return value that timberland investments provide to a portfolio.

Prior to founding GreenWood, Jeff worked at CH2M HILL, a global leader in consulting, design, design-build, operations, and program management. During his twelve years at CH2M HILL, he worked with municipal, industrial, and private clients addressing issues and opportunities within the natural resource landscape.

Jeff currently serves on the Board of Investors for Heartwood Biomass, World Forestry Center Board of Directors and was recently the Board Chair, Sustainable Northwest Board of Directors, and Sustainable Northwest Woods (for-profit arm of SNW) Board of Directors, National Forest Foundation, and California’s Board of Forestry’s Joint Institute on Wood Products Innovation Advisory Board. He has also served on the Board of Directors of the National Alliance of Forest Owners, past President and Board member of Agri-Business Council, and past President and Board Member of Western Hardwood Association.

He is a graduate of Oregon State University and holds a B.S. in Bio-Resources Engineering and an M.S. in Resource Management and Policy from Oregon State’s Civil Engineering Department. He also completed an Advanced Leadership Program from UNC Kenan-Flagler Business School, Chapel Hill.

Former Founder/CEO of Silver Chef, Allan English.

Allan English

Former Founder/CEO of Silver Chef

Allan was the Founder and Non-Executive Chairman of Silver Chef Limited, which was listed on the Australian stock exchange and a proud B-Corp accredited company.

Founded in 1986 Silver Chef’s core business was equipment funding for small to medium sized businesses across a range of sectors operating in Australia, New Zealand and Canada and employing over 450 staff.

In 2010 Allan created the English Family Foundation, with a donation of just over 50% of the family shares to ensure the largest shareholder of the public company was a non-profit, purpose driven to deliver positive social outcomes from the dividends received.

In 2011 a big audacious goal was set to fund 1.5 million people out of poverty by 2020 through Microfinance programs with our implementing partner Opportunity International. With the profitable growth of the Business, significant staff efforts along with 8,000 customers who committed regular funding we were able to achieve the goal in June 2019.

The Foundation is passionate about driving transformational change in our world, through supportive partnerships with social changemakers and the organization’s
behind them.

Allan was a recipient of the Ernst and Young, 2006 Queensland Entrepreneur of the Year award.

In 2012 he was awarded Philanthropist of the Year by Queensland Community Foundation and in 2014 he received the Australian Philanthropy Leader of the Year Award from Philanthropy Australia.

Silver Chef was a regular member of the Top 50 great places to work in Australia.

In 2017, Allan was included in the Australian Financial Reviews list of 21 True Leaders
who are changing Australia for the better.

Past board roles include The School of Social Entrepreneurs and Chairman of The Funding Network which was a startup nonprofit that has now raised $15m for social causes. Allan currently sits on the Australian Centre for Philanthropy and Nonprofit Studies Advisory Board as part of the Queensland University of Technology stable and a board director of an Impact investment Fund called ImpaQt Queensland.

In January 2020, Allan was named a Member of the Order of Australia (Australia’s version of being knighted). Allan and his wife live in Brisbane and have been married for more than 40 years. They enjoy travelling and visiting their three grown children – two of who live on different continents.

Chris Wedding

Executive in Residence at Duke

Dr. Chris Wedding is a former private equity investor, professor, startup founder, investment banker, and executive coach, with over $1 billion of investment experience and 40,000 professional students taught. His focus is climate tech, renewable energy infrastructure, impact/ESG investing, corporate sustainability strategy, and green real estate.

He is the Founder of Entrepreneurs for Impact, an executive coaching mastermind program for climate CEOs; the Managing Director of IronOak Energy Capital, an investment banking and advisory firm focused on energy and environmental solutions; an Executive in Residence at the Fuqua School of Business, an Associate Professor with the Nicholas School of the Environment, and a Gosnell Visiting Professor at the Department of Economics at Duke University; a Professor of the Practice with the University of North Carolina at Chapel Hill (UNC) Kenan-Flagler Business School; one of the earliest LEED Accredited Professionals with the US Green Building Council; a certified Mastermind Professional; and former Director and Senior Advisor at Cherokee Investment Partners, a private equity firm that raised over $2 billion in private equity funds and, separately, founded or invested in over 150 startups and venture funds.
He brings a global perspective, with experience in 20+ countries, and language abilities in Spanish, Japanese, and Creole. He is a frequent speaker at energy and finance conferences. Dr. Wedding also writes about climate finance, conscious leadership, personal productivity, and social justice via his newsletter ZERO and his monthly CLIMATE CHANGE INVESTMENT BRIEF.

He received a BS summa cum laude in Environmental Science from Western Kentucky University, where he was a national Goldwater Scholar in Math and Science. At UNC, he earned an MS and PhD focused on business and strategy in real estate and energy.

He lives with his wife and three children in Chapel Hill, North Carolina.

Other members you already know

World Tree Founder and Co-Chair, Wendy S. Burton.

Wendy S. Burton

Founder and Co-Chair

Wendy Burton has over 24 years of experience with the Paulownia (Empress Splendor) tree, appearing on shows such as Oprah, Family & Home, and the American Environmental Review.

She has been the motivating force behind World Tree’s mission to regenerate our forests, drawdown carbon, and create a timber investment that creates healthy market rate returns.

Wendy created World Tree as a "for-profit, for-good" company and advocates for the business philosophy that investors can earn while positively impacting the world.

World Tree Chief Executive Officer, Doug Willmore.

Doug Willmore

Chief Executive Officer

Doug Willmore is the former Chief Executive Officer of Reference Pathology Services – a leading research pathology laboratory. Doug led the growth and turnaround of the firm from 21 employees and $1.2M in revenue upon joining the company to 120 employees and $22.2M in revenue upon the company’s sale of $33.5M to Ameripath, Inc. four years later.

Doug has had an accomplished career in both the public and private sectors. He recently completed five highly successful years as the City Manager of the City of Rancho Palos Verdes, CA. Prior to Rancho Palos Verdes, Doug was chosen to lead the turnaround at the City of Bell, CA after the disastrous administrative scandal that left the City on the verge of bankruptcy. After almost three years at the helm, the City of Bell had fully recovered financially – going from a $200K general fund balance to a $22.5M fund balance.

Prior to that, Doug was the Chief Administrative Officer of Salt Lake County, UT for 6 years. He managed more than 4000 employees and an annual budget of more than $800M. He also led the County during the financial downturn of 2008, and producing one of the most amazing public finance success stories of the great recession in the US according to Standard and Poor’s.

He also worked for USAID in Central America for three years earlier in his career, and has also been a sought-after consultant in breakthrough performance to Fortune 100 companies. Doug has a BS in Public Administration from George Mason University and a Master’s Degree in Public Administration from the University of Utah.

World Tree President and Chief Operations Officer, Dr. Cathy Key.

Dr. Cathy Key

President and Chief Business Development Officer

Dr. Cathy Key has been working with the Empress Splendor tree (Paulownia) since 2015 . She oversees the Company’s operations in 5 countries, including the tissue labs, nurseries and farmers.

She has been instrumental in the roll out of cutting edge audit processes, supply chain diversification and management of biological assets. Cathy also has been directly involved with 6 agroforestry investment offerings for World Tree.

Cathy has presented World Tree to Canadian and US audiences on the stage of conferences including the Social Finance Forum and Sustainatopia, as well as investment groups in cities throughout North America.

With a PhD in Anthropology, specializing in the economics of cooperation, Cathy brings a diverse skill-set to the organization.

Prior to World Tree, from 2001 to 2015, she successfully launched and managed a software company, working with organizations that include Telus, McGill University, Johnson and Johnson, University of Illinois and the University of British Columbia.

Deb Cullen

Deborah Cullen

Chief Financial Officer and Chief Administrative Officer

Deborah Cullen is an accomplished finance executive who worked for more than 25 years as a finance executive with the USPS.

Deb has been a senior audit manager for Mayer Hoffman McCann and audited organizations ranging in size from $10M - $150M.

Deb was also the Finance Director for the City of El Segundo, CA for almost 10 years. She oversaw and managed a budget of more than $225M annually.

Most recently, Deb was the Finance Director for the City of Rancho Palos Verdes, CA until October 2019 when she joined World Tree as the CFO.

World Tree Founder - Wendy S. Burton

World Tree CEO - Doug Willmore

World Tree President and Chief Business Development Officer - Dr. Cathy Key