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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 and minors in Chemistry and History.  Chief Stacks is certified in ice and swift water rescue and is the certified firearms instructor for the 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 explore the field of animal welfare from the perspective of law enforcement and animal care.  He gives dozens of humane education presentations to school-aged children annually, often with his Pit Bull Roosevelt by his side. Chief Stacks is committed to a fair and firm approach to law enforcement. 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 first promoted to Lead Animal Services Officer and 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.


Senior 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. 


Senior 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 in 2015, 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 graduated from George Mason University with a Bachelor’s Degree in Criminology, Law, and Society. Officer Henry was promoted to Senior Officer in April of 2017. Officer Henry is excited for the opportunity to serve the community of Loudoun County.


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 Kelli Boswell
Officer Boswell 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 Boswell 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 Boswell 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.  Officer Boswell 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.

Officer David Portillo

Officer Portillo started his career with animals as a kennel assistant at a veterinary hospital in Woodbridge, Virginia; where he was later promoted to veterinary assistant. From a young age, Officer Portillo had an immense appreciation for companion animals and a passion for law enforcement.  Officer Portillo recognized the unique opportunity that officers have to make positive and lasting impacts on the communities they serve.  Officer Portillo strives to bring positivity to each encounter he has with the public and, he consistently demonstrates his dedication and commitment to excellent service. Officer Portillo graduated from George Mason University with a Bachelor’s of Science in Criminology, Law, and Society.  Officer Portillo is certified in ice water rescue, trained in equine cruelty investigations, large animal rescue.  Officer Portillo is bilingual, Spanish is his second language. Officer Portillo is excited for the opportunity to serve the residents and animals of Loudoun County.


Officer Chris Klug

Officer Klug began his career working with animals as a Caregiver and Volunteer Manager at SASHA Farm Animal Sanctuary in Michigan, later working at Farm Sanctuary in upstate New York as a Senior Shelter Caregiver, and as an Animal Control Officer in Greensboro, North Carolina. He recently served indigent communities in rural Northeastern North Carolina and Southeastern Virginia as a Field Worker for People for the Ethical Treatment of Animals’ Cruelty Investigations Department, providing low to no cost basic animal care assistance and intervention. There he also served on the Animal Rescue Team to provide first response relief immediately following Hurricanes Mathew and Harvey, rescuing numerous animals from flooded areas. He holds a Master’s degree in classical guitar as well as several professional animal care related certifications. Chris is an avid cyclist, has enjoyed a healthy vegan lifestyle for the past decade, and shares a home with his orange cat, Rogan, and Chihuahua, Fiona.



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