Courtney Hjaltman, ex-Texas Office of Public Utility Counsel, sworn in as Texas public utility commissioner; Gov. Greg Abbott (R) appointed her last week ... Internet Society Foundation appoints Chris Locke, Caribou Digital founder, as executive vice president-managing director ... BMNT Partners consultancy taps Maria Tranquilli, ex-Mission Acceleration Center, to lead its Common Mission Project, nonprofit hacking education initiative ... Midwest Energy & Communications promotes Terry Rubenthaler, effective Oct. 1, to president-CEO, succeeding Robert Hance, retiring in September ... Tredence, data science and AI provider, promotes Rekha Nair to chief human resources officer ... Lightmatter, photonic computing firm, hires Simona Jankowski, ex-Nvidia, as chief financial officer ... Comcast promotes Javier Garcia to senior vice president-sales and marketing-central division ... Pia, automation platform for managed service providers, appoints CoderPad’s Molly Lindsay as vice president-marketing.