Mark Sweetheimer

Welcome! I'm Mark Sweetheimer — a passionate IT professional with a love for elegant tech, a dedicated member of the Christie's International Real Estate Group support team, and a long-time volunteer devoted to animal rescue. My career spans both digital and personal connections — from building networks to empowering real estate agents and giving countless animals a second chance at life.

By day, I troubleshoot tech and support agents at Christie's. By night, I volunteer at NYC Second Chance Rescue with my partner Doug and transport dogs who deserve the world. 🐾