Revolutionize gym & studio access experience

Empower and engage your members with cloud-based mobile access and our 3-in-1 digital kiosk display. Streamline access management and decrease operational costs.

Prevent membership sharing

Sentry Mobile Access allows members to unlock doors and access facilities with ease, while non-paying unauthorized guests are restricted. Stop sharing or theft of memberships with secure digital access credentials and wave goodbye to physical cards and fobs that can easily be lost or passed on.

Maximise ROI with digital visitor passes

Unlock new revenue opportunities and elevate visitor experience with Sentry Mobile Access digital visitor passes. Our cloud-based access control solution integrates with advanced mobile access NFC technology, allowing visitors to unlock doors and gain entry using their smartphones.

Upgrade the capabilities of your fitness & health application.

Enhance your gym and fitness center app capabilities with Sentry Interactive’s open SDK. Seamlessly integrate readerless NFC access control and digital visitor passes into your club management software, expanding its capacity and providing a convenient and secure experience for staff, members and visitors.

Provide a smart, secure and reliable mobile access experience for your members.

Elevate your gym and fitness center experience with mobile entry, smart visitor management, building data, and seamless communication. Unleash the potential of your fitness facility with cutting-edge technology.

Use your membership base to grow

Enable members to purchase keyless digital visitor passes for friends and family, and encourage them to buy and share digital keys with time-imited visitor passes.

Elevate member and guest experience

Use and manage smartphone permission-based credentials for gym members, visitors, staff, and facilities. From anywhere, at any time.anytime and anywhere

Prevent membership sharing

Eliminate credential sharing in 24/7 gyms with secure smartphone access. Enjoy an enhanced layer of protection with biometrics authentication embedded in smartphones.

Enhance building security

Experience banking-level encryption, multi-factor authentication, and biometric authentication, so even if a mobile device is lost or stolen, it cannot be used to gain access.

Hassle-free installation

Seamlessly integrate our software solution with existing access control systems for a quick, easy, affordable, and remote installation with no hardware required

Save money

Our cloud-based software solution provides an admin-free, cost-effective, and scalable solution for your gym management needs.

Customize access levels

Customize access levels for different areas of the country club, gym, or spa. Ensure visitors only have access to authorized areas and create role-based access levels for staff.

Sustainable access

Our readerless access control solution uses NFC technology and requires no external power or batteries. Save money on electricity bills and reduce your carbon footprint.

Use your app or ours

Manage access for members and guests with our app, white labeled version, or use our SDK and embedded Sentry Mobile Access into your own app.

Attract and engage members with 3-in-1 digital kiosk technology.

The Sentry Interactive Tower
24/7 Digital Receptionist

The Sentry Interactive Tower’s digital receptionist feature provides an around the clock digital service for gym members and visitors. The perfect solution to protect and service unmanned facilities.

Connect with Your Members

Elevate member access experience with The Sentry Interactive Tower’s digital signage displays. Placed in reception areas, the Tower showcases facility details, class schedules, fitness tips, offers, and event updates.

Digital Check-in for Booked Classes

Members can check-in digitally to their gym classes and be informed of the time and location of the studio their fitness class will be taking place. Check-in data is captured to to allow for analysis of space usage.

Tailored to all fitness and wellness spaces

Dance Studios
Yoga Studios
Swimming Centers
Sports Halls
Boxing/Kickboxing Gyms

Smart Lockers

Ensure the security of your member’s belongings with Sentry’s smart locker integration. Members can effortlessly access lockers using their smartphones. With a simple tap or QR code scan, they can instantly unlock and secure their belongings. Enhance member experience with our seamless mobile locker access solution.

William Bainborough

Board of Directors

William is an experienced British entrepreneur, founder, and accomplished board executive and advisor for a number of businesses. He is the CEO and co-founder of Doordeck, the world’s only true cloud-based access control aggregator. He is also the managing director and founder of Group Secure, a leader in providing security, CCTV, and access control solutions, products, and installation for high-net-worth individuals in the UK. 

William established his first business at just seventeen and brings 20-plus years of in-depth experience and industry knowledge. He has a proven track record for building businesses from the ground up—and then leading them to profitability and a successful exit across a myriad of sectors including hospitality, retail, security, telecommunications, and e-commerce. William’s leadership, vision, and experience in creating cutting-edge SaaS-based technology platforms will prove invaluable for Sentry Interactive moving forward.

Denis Hébert

Denis Hébert


Hébert began his career at Honeywell International where he held several leadership positions including Managing Director for the Automation and Controls business in France and eventually President of the NexWatch Corporation from 1999-2002. Hébert led HID Global as President & CEO over a transformative 12-year period from 2002-2015, where he provided strategic guidance and grew the business tenfold through a mix of strong organic and acquisitive growth. Most recently, Hébert was President of Feenics Corporation which is a cloud-based access control company that was successfully sold to ACRE LLC at the end of 2021. Hébert also served on the Board of Directors for the Security Industry Association (SIA) from 2009-2020 and was nominated to be Chairman of the Board for SIA from 2016-2018. He is currently Chairman of the Board for Nightingale Security based in Newark, CA.

Stephen Taylor Matthews

Board of Directors
Stephen is a very accomplished attorney, member of the Texas State Bar, licensed commercial real estate broker, and an avid philanthropist. He is an experienced executive board member, serving in leadership positions for more than 20 community councils and corporate boards—ranging from Boy Scouts of America to the ABBA Business Leaders Council, and most recently the American Bank BOD, the Real Estate Council of Austin, and the Marbridge Foundation BOT. With more than 35 years experience, Stephen and his firm, Barrond & Adler, L.L.P. are devoted to eminent domain cases in Texas.

Jon Davis

Board of Directors

Mr. Davis is an Experienced corporate board member, having served on boards of public, private equity-backed, and venture-backed companies. Jon possesses deep industry expertise in dairy, food processing, food technology and manufacturing, and food, beverage, and entertainment services. 

During Jon’s tenure of 25 plus years, he’s led operations, research and development, and mergers and acquisitions. He’s served as CEO and has been the founder and active board member for many successful enterprises—from startups to billion-dollar corporations. While COO and CEO of Davisco Foods International, Jon built a state-of-the-art cheese plant which was awarded the United States Dairy processing plant of the year in 2005 by Dairy Foods magazine. Currently, Jon is active with several non-dairy projects, including investments in local real estate, the Wayzata Brewworks, and his latest venture the new CōV restaurant in Edina’s Galleria.

Joe Caldwell

Founder and Chairman of the Board

Joe is an American entrepreneur, investor, and accomplished executive. He has co-founded, founded, and led many successful businesses, including US Internet, a leading fiber internet service provider, Securence, a leading provider of email filtering software, and Ravon, an industry-leading digital voice communications service. 

It was Joe’s venture, Municipal Parking Services (MPS), that inspired him in 2020 to start Sentry Interactive, an advanced touchless and staffless detection platform.

Caldwell currently serves as CEO and Chairman of the Board for Municipal Parking Services (MPS), a global tech company based in Austin, TX responsible for inventing and patenting technologies that assist in parking and security enforcement.

Joe was named one of Minnesota’s 500 Most Powerful Business Leaders for the past two years—and is a seasoned corporate board member. He’s served on boards of public, private equity-backed, and venture-backed companies—and has deep industry expertise in all aspects of digital technology.

Jason Bohrer

Jason Bohrer

Board of Directors

Jason Bohrer is one of the visionaries behind our mission to bring people back together safely and securely, in any environment, through Sentry’s advanced digital communications and detection platform. With over two decades of senior leadership experience, Jason’s track record of success spans across sales, operations, product innovation, strategy, and technology for domestic and global companies like Bexar Technology Partners, CPI Card Group, HID Global, and Motorola, Inc. Prior to launching Sentry Interactive, Jason was actively involved with several key technology transitions across multiple industries, including the contact and contactless EMV transitions in the U.S. payments industry and the adoption of smart card and mobile technologies in the global access and identity market. Jason was an inaugural member of the University of Chicago Executive Institute and holds a bachelor’s degree in Economics from the University of Texas at Austin. He also serves as the Executive Director for two industry-leading not-for-profit organizations: the Secure Technology Alliance and the U.S. Payments Forum.
Brent Terry

Brent Terry

Chief Operating Officer
Brent Terry leads the operations and solutions organizations at Sentry. This includes all product innovation, development, and operations management. A veteran in the technology space, Brent has more than 30 years of experience across a myriad of industries, like physical security technology and building automation, SAAS, hardware and software product development, internet, digital TV, interactive TV, digital media, telecommunications, and medical products and services. Prior to Sentry, Brent has spun up successful startups and led high-performing teams for some of the biggest global, Fortune 500 companies, including ARRIS, Conerco, Motive Communications, SeaChange International, and IBM. Brent holds a BS in Computer Science from the University of Louisiana. He also is the committee Chairman and Program Director for a non-profit organization responsible for the rollout of smart cards for physicians and first responders.