The workplace can be a challenging environment for anyone who doesn’t fit into the established culture, but it is especially hard on people who are gender nonconforming. They can face blatant harassment, but they also deal with more quiet forms of discrimination, such as a lack of promotion or social isolation. The issue is top of mind for Lily Zheng, a trans woman of color who works as a diversity and inclusion consultant. She wants to change workplace culture to be more accepting of all employees, regardless of gender identification. Zheng and wellness coach Alison Ash Fogarty, both Stanford University graduates, have written a book titled, Gender Ambiguity in the Workplace: Transgender and Gender-Diverse Discrimination . Zheng joined the  Knowledge at Wharton show  on Wharton Business Radio on SiriusXM to shed light on the issue. (Listen to the podcast at the top of this page.) An edited transcript of the conversation follows.…