About
Clarion River is a network of organizers, coaches, communications, strategy and data experts who work with mission-driven people and organizations to create, grow and transform organizations, new initiatives, campaigns, and coalitions.
Clarion River draws from the environmental, labor, international, political, community organizing and education reform movements to provide a breadth of perspective and fresh thinking to catalyze successful engagements.
Adrienne Nyamsi, Partner
Adrienne is an organizer, campaign operative, education equity advocate and leadership development facilitator. She has worked on hyper-local, city and state-wide political and issues-based campaigns and programs in leadership capacities across the country. She has also designed and led family advocacy and organizing experiences for those committed to ensuring that access to a great education truly equitable.
Mark Gomez, Partner
In addition to serving as a partner with Clarion River, Mark is the founder and principal consultant of MG Insight. He has over fifteen years of strategy and consulting experience across industries including CPG, retail, technology, education, financial services, professional services, industrial goods, and travel and tourism. His approach is to be a strategic catalyst and thought partner, helping clients think differently and achieve more.
Mark worked at Bain & Company as a management consultant for four years, advising on strategy engagements across a variety of industries. He began his career at JPMorgan, served as a Peace Corps Volunteer in West Africa, worked in Mattel’s Corporate Strategy group, and consulted for several education nonprofits. Mark holds a BA from Brown University and an MBA from The Wharton School of the University of Pennsylvania.
Teresa DeSousa Partner
Teresa is a partner with Clarion River and consultant with HRLife, providing tailored HR solutions that prioritize people's growth, well-being and organizational excellence. HRLife values growth, self-awareness, recognition, justice centered solutions and empowering business brilliance. Teresa has over 25 years of generalist human resources experience, with a particular expertise in compliance and regulatory issues.
Teresa earned her undergraduate degree from the University of Pittsburgh, and worked as a paralegal and then as a legal administrator at several premier law firms, including Reed Smith, Debevoise & Plimpton, Lowenstein Sandler, and what is now Dentons. After earning her Master's Degree in Human Resource Management from LaRoche University, Teresa worked as the Director of Human Resources for a Professional Employer Organization, guiding small business owners across a wide swath of industries in almost every area of human resources. She is also herself a small business owner, having most recently owned and operated a dog daycare and boarding facility for over 10 years.
Rebecca Weinberg Jones, Partner
Rebecca is a partner at Clarion River and the owner and principal of Step Back Advising, LLC, where she supports leaders and teams committed to a more just and equitable world to accelerate their impact. Rebecca brings 15 years of experience in education equity, strategic planning, and adult learning to create space for leaders to step back, reflect, and plan.
She has worked with philanthropists, education organizations districts and state departments of education on strategies to authentically engage with local communities, turn around low-performing schools, and city-wide strategies for creating and sustaining high-performing schools.
Rebecca earned a BA in Urban Studies from Vassar College and an MA in Urban Education Policy from Brown University.
David Sailer,
Partner
David is a long-time organizer, advocate, coach and organizational development strategist.
He has a background in labor, housing, education and political organizing. David has worked across the US and in Central America teaching and training organizers, and in leadership roles including Executive Director, CFO, CPO and COO. David holds a Bachelors from Wesleyan University and a Masters in Organizational Development and Leadership from Fielding Graduate University.