Who We Are


Mary Anne Callahan


mcallahan@gplawva.com  •  (703) 225-3626

Mary Anne Callahan has been with the firm since the spring of 2019 after graduating summa cum laude from Virginia Tech with a Bachelor of Arts in English Literature and Language, concentrating in Pre-Law. Since joining the firm, she has been able to effectively incorporate her skills and passion for analytical reading and writing into her work as a paralegal. Furthering her pursuit of learning and engaging in the practice of law, Mary Anne is currently earning her Juris Doctorate at Antonin Scalia Law School at George Mason University through the evening part-time program. Upon graduating, she plans on continuing to pursue a career in civil litigation in Northern Virginia.

Mary Anne is the seventh of fourteen children, growing up in Fairfax, Virginia. In her free time (when she is not studying for law school), she enjoys spending quality time with her friends, family, and pets. She especially loves watching or attending D.C. sports games. Mary Anne has also enjoyed traveling to various places including Quebec City, Montreal, Mont Tremblant, Mexico, and Israel with her family.

Use of Information

The information contained in our web site describes legal matters handled in the past by our attorneys. Of course, the results we have achieved depend upon a variety of factors unique to each matter. Because each matter is different, our past results cannot predict or guarantee a similar result in the future.

Copyright 2021 Law Office of George O. Peterson, PLC

About Us

The Law Office of George O. Peterson, PLC is a boutique litigation firm specializing in complex civil litigation involving trusts and estates, business matters, guardianships and conservatorships, and beneficiary designation disputes.

Contact Us

10484 Armstrong Street
Fairfax, VA 22030
T (703) 225-3620
F (703) 225-3621


Copyright 2021 PetersonSaylor PLC