On September 27, 2019, Sonoma Pharmaceuticals, Inc. appointed Ms. Amy Trombly as Interim Chief Executive Officer for an initial term of three months, subject to a mutual extension by one-month increments. On September 27, 2019, Board appointed Mr. John Dal Poggetto as Chief Financial Officer. John Dal Poggetto, 48, has served as Sonoma's Executive Vice President of Finance since 2017 and prior to that was the Company's Controller since 2002.

On September 25, 2019, Mr. Bubba Sandford left Sonoma after nine months as CEO and interim CFO after successfully evaluating the Company's prospects while substantially reducing its cash burn. Mr. Sandford will remain on the Board of Directors for six months following his departure date.