Our Offices

Rockville
33 Wood Lane
Rockville, Maryland 20850

Phone: (301) 762-1696
Fax: (301) 762-7691

Frederick
100 N. Court Street
Frederick, Maryland 21701

Phone: (301) 698-8182
Fax: (301) 831-4318

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Heather Koontz

Associate

Heather Sisto Koontz focuses her practices primarily in the areas of family law and civil litigation. Heather joined Ethridge Quinn in 2020 after a judicial clerkship with the Honorable David W. Lease in the Circuit Court for Montgomery County. Heather is licensed to practice law in the State of Maryland and is a member of the Maryland Bar Association, Montgomery County Bar Association, the Bar Association for Frederick County, and the Women’s Bar Association.

Heather earned her bachelor’s degree from The Indiana University of Pennsylvania, where she double majored in English Pre-Law and Criminology. Heather graduated summa cum laude in 2016. Heather received her Juris Doctor from The Pennsylvania State University. While attending law school, Heather became a certified counselor for people that have experienced the results of sexual assault, domestic violence, and stalking. Additionally during law school, Heather interned for the Honorable Cheryl A. McCally in the Circuit Court for Montgomery County. Heather has also obtained a verified certificate of achievement in child protection from HarvardX.

Heather enjoys spending time with her husband and their two cats, traveling to visit family, socializing with close friends, and baking.


Contact

Location: Rockville Office
Phone: (301) 762-1696
Fax: (301) 762-7691

Practice Areas

Civil litigation
Family law

Bar Memberships

State: Maryland
Date Admitted: December 2017

Professional & Civic Activities

Bar Association of Montgomery County
Maryland State Bar Association
Frederick County Bar Association
Women’s Bar Association

Court Admissions

Court: Maryland
Date: December 2017

Education

Bellwood Antis High School, 2012

Indiana University of Pennsylvania, 2016

  • Degree: B.A.
  • Major: English Pre-Law and Criminology
  • Honors: summa cum laude

Pennsylvania State University, 2019

  • Degree: Juris Doctorate

 

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