He specializes in weddings, engagements, kids, and families. His sessions are customized to meet the needs of the client, and he offers full-day wedding coverage, optional second photographer, and high-resolution digital images hosted online. He also sells handmade albums. Shum further provides photography workshops for beginners, immediate photographers, advanced photographers, and small groups as well as private training sessions. The Wedding Photojournalist Association, the International Society of Professional Wedding Photographers, and Fearless Photographers have all presented Shum with awards for his work. Client note that Shum can capture amazing candid photos, is easy to work with, and maintains a friendly personality.