Marissa Rosen is the founder and principal consultant of Climate Social, an agency that has supported impact-driven organizations and thought leaders in creating positive change since 2015. Climate Social offers customized solutions in social media, PR, branding, video production, podcasting, and website development, helping clients build compelling brands, promote high-profile events, and engage communities for positive impact. As a proud ally of the Carbon Business Council, the agency has partnered with mission-driven organizations like South Pole, Net Impact, and the World Business Council for Sustainable Development.

Before founding Climate Social, Marissa Rosen led all organic social media platforms for Sustainable Brands and TriplePundit, where she was instrumental in developing and executing strategies to drive engagement and build vibrant online communities. She also directed marketing for the U.S. DoE's Energy Efficient Buildings Hub and consulted for startups at the Wharton Small Business Development Center.

She has contributed to publications like The Huffington Post, been featured on podcasts including Environment+Energy Leader, and serves on the Harvard Business Review Advisory Council. Marissa holds a Bachelor’s in Communications from the University of Missouri and a Master’s in Environmental Studies from the University of Pennsylvania.