Becoming WBE Certified marks a significant milestone for Sentry Security Agency of St.
Louis as it continues to expand its footprint and enhance its service offerings in the St. Louis region. The company aims to leverage cutting-edge technology and best practices to provide top-tier security solutions to its clients. “I am excited to accept
the WBE certification for Sentry Security Agency and lead us into its next phase of growth,” said Cathy, "At this point, we have empowered a new, almost 85%, all women management team to bring Sentry Security to new heights".
Chief Financial Officer
Mr. Otten started his business career in 1989 after receiving a bachelor’s degree in Business Management from Southeast Missouri State University with an emphasis in Accounting & Finance. As CFO, he directs and manages all financial and accounting
operations. Joe is a third generation owner/president of Otten Tax & Financial Services, LLC operating in the St. Louis area since 1942. He is a Registered Investment Advisor Representative, IRS Registered Tax Return Preparer and member of The Missouri
Society of Accountants. Joe currently resides in the St. Louis Metropolitan Area with his wife and four children.
John R Mueller Jr. - President ~ Catherine Mueller – CEO / Treasurer
Mr. Mueller’s career with the business began in 1989 after a four-year enlistment in the U.S. Marine Corps. John focuses his time managing the day-to-day security operations, maintaining a high level of PR with customer base, sales, and business development. He is an active member of the 6th District Police Board and has direct family ties with the St. Louis City Police Department. He currently resides in the St. Louis Metropolitan Area with his wife and four children.
John has been with Sentry for 30+ years whereas his wife, Cathy, began taking a much more active role over the past 10+ years. Her responsibilities include articulating the mission/purpose of the business; determining its managerial and reporting structure; as well as continuing to manage the financial accountability of the company. Cathy holds a Bachelor’ degree in Business Administration from the University of Missouri – St. Louis with an emphasis in IT.
Sentry Security is a family business with great values and a rich military foundation that has served the St Louis Metropolitan area for over 45 years. With three generations of Marines and three generations of police officers, our background has given us an advantage in this industry. Through consistent training and a strong emphasis on customer service, our customers will always know that their needs come first. We treat our customers like family and have built long lasting relationships with that philosophy in mind.