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Meet Loudoun's Animal Services Officers
Loudoun County Animal Control has been honored with the following awards:

  • 2006 National Animal Control Association Animal Control Agency of the Year
  • 2006 Council of Governments’ Domestic Animal Rescue Award
  • 2007 Virginia Animal Control Association Animal Control Officer of the Year
  • 2008 Council of Governments’ Dedicated Service Award
  • 2009 Council of Governments’ Leadership Award
  • 2012 Virginia Animal Control Association Valor Award
  • 2014 Council of Governments' Humane Education Award
  • 2015 Leesburg Today Law Enforcement Officer of the Year
  • 2016 Virginia Animal Control Association Animal Control Officer of the Year

Loudoun County's Animal Services Officers

Chief Mark Stacks
Chief Mark Stacks began his career with Animal Services in 2005 as an Animal Care Technician, later becoming an Officer and worked his way through the ranks as a Lead Officer and Deputy Chief.  Chief Stacks grew up in northern Virginia.  He graduated from Radford University with a degree in Biology with minors in Chemistry and History.  Chief Stacks is certified in ice and swift water rescue and is the certified firearms instructor for our department.  Chief Stacks was instrumental in the creation of the department’s Junior ACO Academy, which provides youth an orientation into the Department of Animal Services and helps young people to explore the field of animal welfare from the perspective of law enforcement and animal care.  He leads dozens of humane education presentations for school aged children annually, often with his Pit Bull, Roosevelt by his side.  Chief Stacks is committed to seeing that animal’s stories are told through a fair and firm approach to law enforcement and he ensures that his team is well equipped and has all of the necessary technical training to respond to the wide ranging needs of our community.


Deputy Chief Angela Chan
Deputy Chief Chan began her career as an Animal Services Officer with Loudoun County in 2005.  She was later promoted to Lead Animal Services Officer, then, to Deputy Chief.  She has worked in the animal welfare field for over 15 years, in public and private animal shelters and humane organizations in Washington D.C., Maryland and Virginia.  She holds a bachelor’s degree in Sociology with a focus in Criminal Justice and graduated Cum Laude from a southern Virginia University.  Over the years, she has been actively involved in the administration and management of the department’s C.A.R.E. Program. Officer Chan has also written several articles on the achievements and exploits of our department which were published in the National Animal Control Association’s magazine, NACA News, an internationally circulated publication.  In 2012, she received the Virginia Animal Control Association’s Valor Award for her work on a case that involved interstate transport of nearly a dozen dogs found in poor condition.  In 2015, she was voted Law Enforcement Officer of the Year by readers of the Leesburg Today in the Best of Loudoun reader poll.  Deputy Chief Chan considers it a privilege to serve the residents of Loudoun County and to make sure ours is a community that is safe for humans and animals alike.


Deputy Chief Erin Peterson
Deputy Chief Peterson is a native to Loudoun County who developed a love for animals at a young age. She began her career as an Animal Services Officer with Loudoun County in 2012, was promoted to Senior Officer in 2014, and Deputy Chief in May of 2015. She graduated from Loudoun Valley High School and studied Animal Science at Northern Virginia Community College. Deputy Chief Peterson is currently working on becoming certified as a Humane Investigator through University of Missouri.  She has an extensive career caring for animals including 6 years co-managing a local 24 hour emergency veterinary facility where she worked to provide excellent service to the animals, patrons, and staff of the clinic. Deputy Chief Peterson assisted with the development of the first Junior Animal Control Academy that launched in March of 2015. Officer Peterson is dedicated to animal welfare and is always looking for ways to serve the community and ensure that Loudoun residents receive the best in animal services. 


Senior Officer Whitney Macomber
Senior Officer Macomber started with Loudoun County Animal Services in 2010. Born and raised in Loudoun's neighboring Fauquier County, she has been enthusiastic about both domestic animals and wildlife from a young age. Starting her career in the animal industry while in high school, Officer Macomber worked in a small animal veterinary practice in Warrenton, VA before continuing on to Virginia Tech to major in Animal and Poultry Sciences with an equine emphasis. During her undergraduate education she completed a summer externship at an equine reproduction facility and worked as a small and large animal surgical technician at the Virginia-Maryland Regional College of Veterinary Medicine.  After receiving her Bachelor’s Degree, Officer Macomber relocated to Leesburg to work at the Marion duPont Scott Equine Medical Center as an operating room specialist and veterinary nurse. Officer Macomber is pleased to serve Loudoun's human and animal community. During her career with Animal Services, Officer Macomber has had the opportunity to become certified in Technical Animal Rescue and Large Animal Emergency Rescue, Chemical Immobilization, Swift Water Rescue, Ice Rescue and is a Certified National Equine Cruelty Investigator. She hopes to become a wildlife rehabilitator and is interested in wildlife education and conservation.


Officer Virginia Newsome
Officer Newsome graduated from Northern Virginia Community College with an Associate’s Degree in Animal Science and later became licensed as a Veterinary Technician. Officer Newsome also attended the American School of Equine Dentistry and received a certificate as an Equine Dental Technician. Officer Newsome has attended several continuing education seminars while working as an Animal Services Officer in Loudoun County, including, Equine Investigation Academy level I and II and Cruelty Investigators Academy level I, II, and III. Officer Newsome is certified in Ice Water Rescue, Swift Water Rescue and Technical Large Animal Rescue, making her a valuable asset to her team. In 2013, Officer Newsome completed courses in Wildlife Rehabilitation and is now a licensed wildlife rehabilitator for the state of Virginia. Officer Newsome hopes to improve the lives of both the animals and their owners by offering enforcement, education and other outreach options to the community. 


Officer Patrick Breslin
Officer Breslin is a graduate of Radford University with a Bachelor’s of Science in Criminal Justice with a minor in Psychology. Officer Breslin has always had a passion for animals; he started his career in the animal field while in high school, working at a private boarding kennel in Manassas, Va. Officer Breslin enjoys being an Animal Services Officer as it allows him to combine his love of animals with law enforcement. Officer Breslin takes great pride in having the opportunity to serve such a diverse community; he is especially passionate about educating youth on responsible animal ownership and handling. In his off time, Officer Breslin is an avid outdoorsman, who enjoys fishing, camping, hiking, and spending time with his pets. Officer Breslin is the recipient of the 2016 Virginia Animal Control Association Dr. Kent Roberts Animal Control Officer of the Year Award.


Officer Amanda Gibson
Officer Amanda Gibson became an Animal Services Officer with the Loudoun County Department of Animal Services in October 2014, relocating from New Jersey for this opportunity.  Officer Gibson was born with a passion for animals; while in high school she worked at a local dog kennel and volunteered at a wildlife refuge.  While in college, Officer Gibson completed an array of internships that provided her with experience working with and caring for exotic animals.   Officer Gibson recently received her Bachelor’s degree in Animal Biotechnology and Conservation from Delaware Valley College, where she majored in Zoo Science.


Officer Tina Hernandez
Officer Hernandez was born and raised in Loudoun County and graduated from Loudoun Valley High School. Throughout high school, Officer Hernandez worked at a local kennel and later started working in the Veterinary field.  In January, 2011, Officer Hernandez became an Animal Care Technician at Loudoun County Animal Services and was promoted to Animal Services Officer in March, 2015. Officer Hernandez has a background in livestock with a bovine emphasis as well as an extensive background caring for and handling companion animals. Officer Hernandez has an Associate’s degree in Communications, a Bachelor’s degree in Health Care Administration, and a Master’s degree in Criminal Justice and Security. Officer Hernandez is dedicated to animal welfare and to serving the Loudoun County community.


Officer Jennifer Henry
Officer Henry has had a passion for animal welfare since she was a child and always knew she wanted to work with animals. In high school, she volunteered her time to teach Special Education classes how to care for pets. Before Officer Henry started working for Loudoun County Animal Services, she helped manage a dog daycare/boarding facility in Springfield, VA for over six years and also worked part-time as a dog groomer at the same facility.  Officer Henry recently graduated from George Mason University with a Bachelor’s Degree in Criminology, Law, and Society. Officer Henry is excited for the opportunity to serve the community of Loudoun County.

Officer Kelli Kleptach
Officer Kleptach was raised in Loudoun County and is a graduate of Foxcroft School.  Her passion for animals began as a young child when she assisted her parents in a trap-neuter-release program for feral cats around her home and she later took on the project herself in her late teens.  Officer Kleptach began her career in the animal field when she started working as a kennel attendant and quickly became a veterinary assistant.  She attended George Mason University and later San Juan College where she received her veterinary technician license.  Officer Kleptach worked in the veterinary field for over 15 years at several small animal veterinary clinics as well as a veterinary neurology specialist in Loudoun County before joining  Loudoun County Animal Services team.   She began volunteering at Middleburg Humane Foundation in high school and was a part of MHF’s animal search and rescue team in New Orleans following Hurricane Katrina.  She has volunteered at the Equine Rescue League.  She and her husband have a small hobby farm of chickens, ducks, sheep, and goats as well as dogs and cats.  Officer Kleptach is dedicated to animal welfare and looks forward to working with the community to help provide a safe and happy environment for both the citizens and animals of Loudoun County.



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