Heidi Mayon, a capital markets partner who has represented DoorDash and Poshmark, has joined Simpson Thacher & Bartlett from Goodwin Procter in Palo Alto. 

“Heidi is well-recognized as a capital markets leader,” Alden Millard, chair of Simpson Thacher’s executive committee, said in a statement. “Her sophisticated skill set is a wonderful addition to our thriving Palo Alto office and will be tremendously valuable to our capital markets clients, in particular in connection with offerings involving companies contemplating entering the public markets for the first time.”