About Us

At Heart Tech Plus, we are dedicated to transforming health and fitness through innovative technology. Our mission is to empower individuals and educators with the tools they need to understand and improve their physical fitness, making heart health accessible to everyone.

What We Do

We develop cutting-edge technology that prioritizes accuracy and usability. Our user-friendly platform is designed for fitness enthusiasts, educators, and students, enabling seamless integration into daily routines. With features that include metrics for Moderate to Vigorous Physical Activity (MVPA), our system empowers users to take control of their health and fitness journeys.

About Us

At Heart Tech Plus, we are dedicated to transforming health and fitness through innovative technology. Our mission is to empower individuals, schools, and organizations with the tools they need to understand and improve their physical fitness, making heart health accessible to everyone.

Founded by passionate fitness enthusiasts and tech innovators, we believe everyone deserves access to tools that enhance their health. Our cutting-edge, user-friendly platforms cater to diverse needs:

For Organizations: Elevate your members' health with our advanced fitness tracking system.
For Schools: Engage and motivate students of all abilities with our interactive technology.
For Individuals: Train on your own schedule with the HTP Home app, designed to support your personal fitness goals.

What We Do

We develop cutting-edge technology that prioritizes accuracy and usability. Our user-friendly platform is designed for fitness enthusiasts, educators, and students, enabling seamless integration into daily routines. With features that include metrics for Moderate to Vigorous Physical Activity (MVPA), our system empowers users to take control of their health and fitness journeys.

Doug Davis

The Visionary Behind Heart Tech Plus

Doug’s journey into heart rate monitoring began in 2001 during his training for endurance rides on both upright and recumbent bicycles. His passion for fitness sparked a mission: to help everyone, especially school-aged children, understand the vital role heart rate plays in measuring physical fitness. Collaborating with physical education teachers across the nation, Doug has fine-tuned the HTP system to include metrics for Moderate to Vigorous Physical Activity (MVPA), enabling users to track their fitness with objective measures. Join us in transforming the way we approach health and fitness!

Rich Butterworth

Director of Customer Support & Sales

Rich has dedicated his entire teaching career to the Hamilton-Wenham Regional School District, where he taught Physical Education and coached high school baseball and basketball—often alongside his sons. His daughter, inspired by her love for animals, is now a veterinarian in Northern New England. Rich credits his wife, Ann, his steadfast partner of 50 years, for their family's happiness and success.

With a Master’s in Education Technology earned in 1982, Rich's passion for integrating technology into physical education flourished. He secured numerous grants to enhance his PE program and, since retiring from teaching, has focused on implementing heart rate technology in schools nationwide. Rich thrives on working with teachers and students, bringing the excitement of the HTP platform to life in the gym.

Rob Warner

Educational Advisor & Performance Specialist

Brad Hull

Customer Support & Sales

2020 SHAPE America District Teacher of the Year

Brad joined Heart Tech Plus in July 2020 after a decade of teaching physical education at the middle school level. Honored as the 2018 SHAPE Colorado Middle School PE Teacher of the Year and the 2020 Shape America Central District Teacher of the Year, he has made a significant impact in the field.

In 2017-2018, he played a key role in securing a $100,000 DON’T QUIT! Fitness Center for his school and a $30,000 Riding for Focus grant, bringing mountain bikes and helmets to students. A mentor teacher and Denver Broncos NFL Play 60 FitnessGram Champion, Brad integrates the Heart Tech Plus system into his lessons daily. He believes heart rate technology is a game changer for physical education, empowering students to become independent learners and understand the importance of exercising in multiple heart rate zones.

Doug Davis

The Visionary Behind Heart Tech Plus

Doug’s journey into heart rate monitoring began in 2001 during his training for endurance rides on both upright and recumbent bicycles. His passion for fitness sparked a mission: to help everyone, especially school-aged children, understand the vital role heart rate plays in measuring physical fitness. Collaborating with physical education teachers across the nation, Doug has fine-tuned the HTP system to include metrics for Moderate to Vigorous Physical Activity (MVPA), enabling users to track their fitness with objective measures. Join us in transforming the way we approach health and fitness!

Rich Butterworth

Director of Customer Support & Sales

Rich has dedicated his entire teaching career to the Hamilton-Wenham Regional School District, where he taught Physical Education and coached high school baseball and basketball—often alongside his sons. His daughter, inspired by her love for animals, is now a veterinarian in Northern New England. Rich credits his wife, Ann, his steadfast partner of 50 years, for their family's happiness and success.

With a Master’s in Education Technology earned in 1982, Rich's passion for integrating technology into physical education flourished. He secured numerous grants to enhance his PE program and, since retiring from teaching, has focused on implementing heart rate technology in schools nationwide. Rich thrives on working with teachers and students, bringing the excitement of the HTP platform to life in the gym.

Rob Warner

Educational Advisor & Performance Specialist

Rob Warner joined Heart Tech Plus in March 2025 after more than 20 years in Dallas ISD, where he taught Health and Physical Education and later served as Academic Coordinator for the district’s STEM HPE department. He led curriculum design, professional development, and compliance for 156 elementary campuses, with a focus on integrating heart rate technology to enhance student wellness and engagement.

Rob holds a B.S. in Physical Education with a concentration in kinesiology and biomechanics, and is certified K–12 in Texas and Connecticut. His background in movement science informs both his classroom instruction and his work as a hockey coach, where he’s trained athletes from youth leagues to national championship teams. His coaching blends biomechanical analysis, video feedback, and targeted corrections to build strong skating fundamentals and elevate performance.

At Heart Tech Plus, Rob applies this same precision to integrating heart rate monitoring into education and training. He helps students and athletes visualize effort, understand heart rate zones, and take ownership of their physical development—transforming physical education into a data-driven, student-centered experience.

Brad Hull

Customer Support & Sales

2020 SHAPE America District Teacher of the Year

Brad joined Heart Tech Plus in July 2020 after a decade of teaching physical education at the middle school level. Honored as the 2018 SHAPE Colorado Middle School PE Teacher of the Year and the 2020 Shape America Central District Teacher of the Year, he has made a significant impact in the field.

In 2017-2018, he played a key role in securing a $100,000 DON’T QUIT! Fitness Center for his school and a $30,000 Riding for Focus grant, bringing mountain bikes and helmets to students. A mentor teacher and Denver Broncos NFL Play 60 FitnessGram Champion, Brad integrates the Heart Tech Plus system into his lessons daily. He believes heart rate technology is a game changer for physical education, empowering students to become independent learners and understand the importance of exercising in multiple heart rate zones.