Britt Provost. (Siteimprove Photo) — Seattle HR executive Britt Provost departed health benefits platform Accolade and joined marketing software company Siteimprove as its first chief human resources officer. Provost was most recently EVP of people and culture at Accolade. She previously led HR teams at Avanade, Promethean and Apptio. “In this new role, I hope…