25+ years in the sustainability movement advising financial institutions, pension funds, foundations and endowments, NGOs, and public and private companies. Mark was the first full-time employee of Ceres, and he served on the leadership team that launched the GRI. Mark advises companies, foundations, and financial institutions on sustainability goals, disclosure, and performance measurement. Mark is writing a book on corporate sustainability to be published in Q4 2024. He developed a new SPARCLE playbook for scaling sustainable investing, purpose-powered corporate leadership, and a Sustainable Living Plan (SLP). He has authored dozens of sustainability-focused pieces published in the NY Times, Forbes, and Barron's and presented at dozens of environmentally focused events worldwide.Mark provides financial institutions with proxy advisory services, including bespoke research on critical M+A issues, the development of custom voting policies, and investor engagement initiatives.Mark is the lead expert witness for a Fortune 500 company on an environmental compliance allegation that has garnered global media interest. He is a globally recognized subject matter expert on corporate sustainability topics, including product sustainability (LCAs), geopolitics, supply chain disruptions, and climate change. He is an active contributor to several expert networks and has consulted with over 100 organizations. Mark is the Founder & CEO of SPARCLE, which equips organizations with the data, analytics, and tools needed to measure a company’s net impact on climate change, society, and the environment. SPARC is working to power the future of high-impact investing so that financial capital flows at scale to companies having a net positive impact on people and the planet.Mark provides business and organizational development services and strategic counsel to financial institutions, companies, and investment managers who work to advance sustainable markets, metrics, and investing. Mark served as Head of ESG for Risk Metrics Group (now MSCI), which included P&L oversight and management of the global ESG Research & Analytics team. Projects included advising a sustainability hedge fund, creating the first retail ESG fund in Japan, and launching emerging markets structured investment products and corporate engagement programs for large financial institutions.As Development Director for the Nature Conservancy, Mark managed a $60 million capital campaign – an unprecedented amount raised for conservation in Massachusetts that protected over 1 million acres.