Daniel is a faculty member at the Northwestern University Feinberg School of Medicine and NorthShore, and has staff privileges at Northwestern Memorial Hospital and Evanston Hospital. He and his wife live in Glenview with their two small children.

A Chicagoland native, he was born in Park Ridge at Lutheran General Hospital and grew up in Glenview, avidly playing baseball and ice hockey into high school. He attended the University of Illinois at Urbana-Champaign and graduated Cum Laude with degrees in both Bioengineering and Biochemistry. Like Dr. Will he earned his MD degree from Northwestern, and then trained alongside Dr. Meg at Northwestern Memorial Hospital.