A first generation American, Lelach was raised in the midwest, completed undergrad studies at Northwestern University, medical school at Washington University in St Louis, and pediatric residency at Cardinal Glennon Children’s Hospital of St Louis University.

For the past 13 years, Lelach has been practicing primary care pediatrics at The Everett Clinic, as well as working extensively with the Washington Chapter of the American Academy of Pediatrics. As a Board Member and Chair of the Legislative Committee, Lelach has helped create the Children’s Mental Health Work Group, established Medicaid payment for developmental and autism screens for children, and established a single phone line referral resource for children with behavioral health needs.  She has also advocated for Paid Family Leave, to raise the legal age to purchase tobacco and nicotine products to 21, and promoted gun safety.

Today, Lelach serves on the UW Camp Kesem Advisory Board and the Downtown School Advisory Board. Until recently, she also served on the Board of Directors of Within Reach and on the Provider Advisory Committee of Apple Health Foster Care Program.

Lelach is married and has three kids who are 18, 15 and 11 years old.