Andrew Gelwicks began his career in the fashion department at GQ magazine and later worked in celebrity booking at Teen Vogue before venturing into celebrity styling full-time. His clientele includes a mix of young Hollywood elite and iconic stars including Sarah Jessica Parker, Catherine O'Hara, Laura Dern, Rachel Brosnahan, Allison Williams, Edie Falco, Minnie Driver, Leslie Bibb, Uzo Aduba, Bette Midler, Busy Phillips, Kathy Bates, Haley Bennett, Molly Ringwald, Winnie Harlow, Rosie Perez, Susan Sarandon, and Lin-Manuel Miranda, among others..

His debut book, The Queer Advantage, is a compilation of interviews with the world's most successful leaders — from Billie Jean King to Lee Daniels to Barney Frank to Margaret Cho — on how their queer identities have positively impacted their careers and lives. Published by Hachette, it was named one of the "most anticipated books of fall 2020" by TIME.

Andrew has been featured and profiled in Vogue, The New York Times, The Los Angeles Times, W, Time, Harper's Bazaar, Marie Claire, InStyle, WWD, Forbes, Variety, and Good Morning America, among others.

He has also been included in Forbes’ 30 Under 30, OUT100, and Variety’s Power of Pride lists.

He lives in New York City.