Sheryl and Erin Mix it Up

Sheryl and Erin Mix it Up

Very few women (or men for that matter) reach the lofty business heights of the latest Mrs. Alphas in the headlines: COO Sheryl Sandberg and former CFO Erin Callan. Sheryl, 43, has been on an extended book tour to encourage young women to lean in to their ambitions and speak up so their voices are heard and embrace success, while Erin, 47, has offered a cautionary tale about what leaning in can take away in an op-ed, “Is There Life After Work?” (She set aside starting a family while on…