Maria Hawthorne will retire as chief executive of PS Business Parks in Glendale, effective Sept. 1. In April, the company announced she was on a “medical leave of absence due to health issues unrelated to COVID-19.” She has served as chief executive since 2016 and has worked at the industrial REIT since 1985. John Petersen will continue as interim chief executive while the board searches for a permanent successor. … Steve DeGennaro is the new chief financial officer at brokerage Marcus & Millichap Inc. i n Calabasas. He succeeds Marty Louie; as previously reported by Valley Insider, Louie will remain with M&M; as senior vice president of corporate initiatives. Prior to joining Marcus & Millichap, DeGennaro served as chief financial officer of InTouch Technologies, which was acquired by Teladoc Health Inc. … Auto lease software firm Netsol Technologies Inc. in Calabasas has appointed Peter Minshall as executive vice president of Netsol Technologies Americas. Before joining Netsol, he held executive positions at Daimler Financial Services in Africa and Mercedes-Benz Auto Finance Co. in China.