There is a facebook group called, "Working Moms Making Breastfeeding Work" that has thousands of members. It is active daily and is incredibly helpful for moms who are returning to work and want to be successful at breastfeeding.
DS: EDD, December 19th, 2014. Born, December 19th, 2014! DD: EDD, July 18th, 2016. Born, July 19th, 2016!