ClearSign Technologies Corporation announced that Susanne Meline is stepping down from the ClearSign Board of Directors. Concurrently, the Company announced the appointment of industry veteran Catharine de Lacy to the open board position. Catharine is the co-founder and Managing Director of Riar Associates, LLC, a management consultancy where she continues to work as a business advisor and subject matter expert on ESG, sustainability, business strategy, public policy and advocacy, communications, and risk management matters for public and private companies, banking and investment firms, professional services firms, and nonprofit organizations.

She is a former board member of TORC Oil & Gas Ltd., and is currently serving as a board member of privately-held NTES LLC, which provides strategic, financial, and operations management expertise in evolving energy markets and real estate investment; a member of the Environmental Law Institute'sLeadership Council; and in the Executive Advisory Council of the Responsible Battery Coalition. Ms. de Lacy also regularly contributes to ESG educational programs as a board member of the National Association of Corporate Directors' Carolinas Chapter and leads its Member Engagement Committee. She holds a Board Certificate in ESG from UC Berkeley'sLaw School, is a Certified Director through the Harvard Business School, holds a certificate in Risk Governance from the DCRO, and is also a Qualified Risk Director®.

Ms. de Lacy received a B.A. from Merrimack College, and an M.S. from Tufts University.