Surna Inc. announced the board of directors is adjusting its membership to consist of three independent and two executive directors. The board has begun its search for an independent financial expert who will serve as the Audit Committee Chair. Effective April 28, 2017, Stephen Keen will resign as both Director of the Board and Director of Technology for the company. As announced in October 2016, the company has planned for Mr. Keen's departure coinciding with his increasing leadership of Sterling Pharms, his new cultivation entity that has agreed to provide efficiency and efficacy testing and act as a reference site for Surna's prospective customers. Surna and Sterling Pharms are unaffiliated entities.