Meet Our Staff

John Stratemeyer, Owner

John founded Strat Security in 1992. In over 25 years, John has grown the business into one of the most trusted and well known independent security companies on the east coast.

His interest in security started while studying electricity at a vocational high school. After graduating, John started working for another local security company and decided to use his skills and interest to start his own business.

He and his wife Kim enjoy boating and riding motorcycles in their free time.

Leslie Van Daley, General Manager

Leslie has been with Strat Security Systems for over 15 years.  Leslie started working as a technician in the field and has combined field experience and office experience of over 30 years in the security industry.  She holds a NICET III certification in Fire Alarm as well as many electrical licenses in multiple jurisdictions.

At Strat Security, Leslie is responsible for bringing in work, coordinating installations, technical assistance, and many other day to day operations and duties.

Leslie enjoys riding horses, going to the beach, and being with family.

Frank Cole, Service Manager

Frank has been in security industry for over 20 years, with over 18 years at Strat Security Systems. He has many job duties here, but his main focus is on keeping our customers systems running at 100% efficiency.

After graduating High School, Frank received his Associate’s Degree in Applied Electronics from the Devry Institute of Technology. He started out in the security industry performing residential installs, takeovers, and wiring of new homes. From there, Frank worked in the commercial install department and eventually moved to doing service full time.  Frank has been the Service Manager for Strat Security for over 4 years.

Susan Houck, Office Manager

Susan has been with Strat Security Systems for over 16 years, and has almost 20 years’ experience with management, customer service, and administrative work. At Strat Security, Susan is responsible for Human Resources duties, accounting and bookkeeping, billing, computers and technology, customer service, and much more.

After graduating High School, Susan received her Associates Degree in Business and Human Resources Management from Harford Community College and is currently working on her Bachelor’s Degree at UMUC.

Susan has lived in Maryland her entire life and enjoys the beach, concerts, and spending time with her husband, family, and friends.

Yvonne Treadwell, Customer Service Specialist

Yvonne has 30 years’ experience in customer service working with doctors and attorneys.  The past decade has been spent at Strat Security Systems helping our customers and contractors with the aid of our office cat, Lulu.

Yvonne Treadwell was born and raised in Maryland.  She is happily married with two wonderful children and two fabulous granddaughters, dogs, and cats!  Yvonne loves everything boating and water related.

Lynn Evans, Install Coordinator

Lynn was born in Pittsburgh, PA and landed in Baltimore, MD after serving in the Army.

She has spent 37 years in security industry at Best Security, Rollins Security, Security Link, ADT, Vintage, and finally with Strat Security Systems in 2017.

At Strat Security, Lynn is responsible for receiving and inventorying equipment, scheduling inspections, and entering bills, among other duties.

Lynn is married and enjoys time with her family including children, grandkids, and grand dogs.




Ashley May, Vice President of Strat Security & Fire of North Carolina

Ashley has been in the Fire and Security industry for over 20 years. Ashley began his career as a technician, installing and servicing residential and small commercial burglar alarms. He then progressed into installing camera systems and fire alarm systems, and eventually moved into sales and management of National accounts. Ashley formed his own company in 2013 that ultimately led him to a chance meeting with John Stratemeyer, which started the partnership for the Strat Security & Fire of North Carolina division.
Ashley is trained in various systems and holds several nationally recognized certifications, including a NICET Level IV certification in Fire Alarms.  He also holds licenses in multiple states for low voltage electrical systems.
He enjoys playing golf, fishing, and spending time with his two children and family.