Complex sentence: He also worked in fundraising at Liberty Hill Foundation, organized a transgender leadership development conference with the Transgender Law Center, and served as the membership manager at GLAAD, an LGBT media advocacy organization.
Split into simpler sentences: He also worked in fundraising at Liberty Hill Foundation and organized a transgender leadership development conference with the Transgender Law Center. Heng-Lehtinen is the membership manager at GLAAD, an LGBT media advocacy organization.