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Together, We Move Forward
John F. Groom
Founder and CEO
USA
John has been involved in digital technology since 1996 with the launch of the Positive Press website, which garnered quite a bit of publicity. In 1998 he became the 4th full time employee of AnnuityNet, the first company in the world to sell variable annuities online.
In addition to developing a wide range of products as an entrepreneur, he has wide experience dealing with compliance and regulatory issues in technology and other industries. Before starting Global Fast Fit, he had on the ground business experience in Japan, Brazil, Indonesia, US, and Poland. In 2023/24 he spent 14 months traveling around the world to set up the Global Fast Fit infrastructure, visiting 32 locations in 11 countries. Most importantly, he hold the No 1 worldwide score for Global Fast Fit/Standard in his age group
John has 6 software patents
- System and Method for Searching, Organizing, Exploring and Relating Online Content – issued in 2018
- Alternate Search Methodology – issued in 2021
- Multi-dimensional interaction with data stores related to tangible property – issued in 2022
- John Groom, Prudhvi Nag, and Bryan Matott – Digital Tags to Facilitate Production, Collaboration, Transparency, Privacy, Authentication, History, Synchronization, Ownership, and Regulatory Compliance During the Creation and Use of a Product – issued in 2023
- Dynamically Generated Object-Responsive Interactive Action Display – issued in 2025
- Multi-Domain Ground-Truth Data Structurization with Automated Contextual Enrichment and Valuation – filed in 2025
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Prudhvi Nag
Chief Technical Officer
India
Prudhvi has been with Groom Ventures since 2019. He leads all of the app and website development projects, oversees a local tech team, and manages outside technical contractors.
He has a Bachelors Degree in Computer Science & Applications and a Masters in Business.
Previously, he was a Software Engineer at Sigma Info Solutions, Bangalore.
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Bryan Matott
General Manager
USA
Bryan has been with Groom Ventures since 2020. He manages user interfaces for apps and websites and oversees our design efforts for websites, apps, and merchandise, as well as coordinating with local teams around the world on a diverse range of projects.
Previously, he held the role of Lead Designer for three years at Rome Technologies, a management software developer. He has a Bachelors Degree in Graphic Design.
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Dr. James Muchiri
Chief Medical Officer
Kenya
Dr. Muchiri graduated with a bachelor’s degree in medicine and surgery from Moi University in 2018. Since then he has worked at Machakos Level 5 as a medical officer, Nyahururu County Referral Hospital as a medical officer and Kimanjo Sub County Hospital as the medical superintendent.
He is the medical officer and the public health lead at Global Fast Fit, where he champions initiatives to prevent lifestyle-related diseases—particularly Type 2 Diabetes—through structured fitness programs and community engagement. He oversees our medical research programs working within the Kenyan medical and healthcare community. He is also the head of the Global Fast Fit Community Based Organization, our Kenyan nonprofit.
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Abigael Rotich
Regional Manager
Kenya
Abby is a registered nurse and was the valedictorian student at the Kabarak School of Health Science. She manages the largest Global Fast Fit team, in Kenya. She is also the treasurer of the Global Fast Fit Community Based organization.
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Sanyu Roberts
Regional Manager
Uganda
Sanyu is in charge of the partnership with COBAP gym in Kampala, as well as managing GFF athletes and local media production, and generally overseeing efforts in Uganda.
Fitness helped Sanyu overcome addiction to drugs and alcohol. He is a family therapist by training and also runs a community based organization, Rescue Foundation for Children at Risk.
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Adhi Apriana
Regional Manager
Indonesia
Adhi has a master's degree in Art Research for Visual Communication. He joined Groom Venture in early 2022 after successfully organizing various charity VGF events and art production for IAH.
Previously he worked on a startup project and creative production as a freelancer.
Sean Suvanadesa
Communications Manager
Thailand
Sean leads our communication efforts in Thailand from Bangkok and is focused on building social media as well as other communications channels. Sean’s background is in media and event production. He studied communications and public relations at Bangkok University before starting his own company.
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Charles Zeng
Regional Manager
China
Charles owns Ironville Gym in Dongguan, a GFF Partner gym. He studied exercise science in the US, and is experienced in organizing functional fitness competitions. His credentials include ACE(American council on exercise) certified personal trainer, USA weightlifting association level 1 trainer, spartan race sgx coach and Crossfit level 1 trainer.
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Umar Sunni
YouTube content manager and Local gym coordinator
India
Umar has been with Global Fast Fit since 2024. He has a Bachelor's Degree in Electronics and Communication Engineering. Previously, he was the head of finance in Local Mobile Franchise.
Kelvin Kairu
GFF Ambassador and Nomad
Kenya
Kairu, the very first GFF world record holder, has a BA in History and economics from Egerton University, and has also studied Kenya sign language. His family is deeply involved in GFF and he leads several Ai pilot programs in the Njoro area involving a kindergarten and a micro store. He is also part of the Nomads group and responsible for general outreach to the community.
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Meshack Simiyu
Table Tennis Team Captain and Kenya Team Ai lead
Kenya
Meshack is a graduate of Kabarak University with a Bachelor of Education in English and Literature.He is also a professional table tennis player who has proudly represented Kenya at the national level.
He is also the leader of the Global Fast Fit Nomads — a traveling team of fitness ambassadors promoting wellness and structured exercise across Kenya. Most importantly, he was a very early Ai adopter and is a true believer, both in the power of exercise and Ai to improve lives.
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Simon Mucheru
Winsim Gym Owner and Nomad
Kenya
Simon attended Rift Valley Institute of Science and Technology. He owns GFF affiliated Winsim Gym in Njoro and is leading an effort to use Ai to improve image modeling within his gym.. He was gored by a bull while working in the field and used exercise for a full recovery.
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Andrew Muchiri
Media Specialist
Kenya
Andrew is the leader of the visual communications for GFF in Kenya. A graduate of Moi University with a Bachelor’s degree in Business Management, Andrew also has a Postgraduate Diploma in Customs from the Kenya Revenue Authority.
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Simon Muchiri
Nomad/GFF Trainer
Kenya
A procurement and logistics officer by training who found his passion in Automotive engineering and physical fitness.
He is a believer in exercise as a remedy for mental health problems as he advocated for people to try the exercise or fitness training way when they start to feel moody, lonely or anxious.
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Clinton Kavai
Nomad/GFF Trainer
Kenya
Clinton is a GFF Nomad and currently tied for the world record in the GFF Standard routine. He studied Electrical and Electronics Engineering at Rift Valley Institute of Science and Technology.
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Julius Sekitoleko
Athlete & Trainer - Kampala
Uganda
A competitive weightlifter at the international level, Julius has earned podium finishes in his weight classes. He is also a certified strength and conditioning coach. Julius will be our onsite weightlifting and conditioning coach at the GFF/COBAP Community Center.
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John Nderitu
Nomad/GFF Trainer
Kenya
John studied automotive engineering at Rift Valley National Polytechnic. He has gained hands-on experience delivering personalized and group fitness training through the Global Fast Fit program. He has worked with diverse clients, helping them build strength, endurance, flexibility, and healthier lifestyle habits. His responsibilities include demonstrating proper exercise techniques, designing tailored workout plans, and maintaining a safe and motivating training environment. He also assists with program development, equipment setup, and monitoring client progress to ensure effective results.
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Luke Ngasha
Nomad/GFF Trainer
Kenya
Luke was the first person to break the one minute barrier in GFF Standard and is still tied for the world championship in that benchmark. He has 12 siblings and has overcome some serious barriers, including become the first person in his family to complete secondary level of education and attend college, on his road to becoming super fit.
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Brenda Muduwa
GFF Athlete and Trainer
Uganda
Brenda, also known as the Ring Beast, is a 20-year-old Ugandan boxer in the Flyweight category. She has been boxing for nearly three years and competes in the Uganda Boxing Champions League while also attending school. Passionate and determined, she dreams of representing Uganda globally and winning gold. She represents GFF at boxing tournaments and will be working with the community at the GFF/COBAP Community Center. She was selected as the first GFF athlete due to her positive attitude and outgoing personality.
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Esther
GFF Trainer & Women’s Weight Management Club Lead
Kenya
Esther is a high-energy, social, and outgoing young woman with a deep love for fitness. A natural leader, she was her school’s Head Girl from Form 2 to Form 4.
Inspired by her uncle Kelvin, the GFF ambassador, Esther embraced fitness early and has grown into one of the most driven members of the GFF team. As a trainer, she leads the Women’s Weight Management Club GFF Competition & Ambition.
Esther is currently battling for the best GFF Standard time in the world, constantly competing with her friendly arch rival, Kebenei, for the top spot.
When she’s not training or leading sessions, Esther supports her family by assisting in her mother’s shop, which is a GFF affiliated Ai pilot program, and helping watch over her little sister Anita, the GFF Mascot.
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Peter Makhago
Media Specialist
Uganda
Father of four, content creator, I.T technician and an occasional writer and winner of the Wakini Kuria Prize for Children’s Literature 2021
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Hima Sai Peddesigari
Associate Software Engineer
India
Hima Sai Peddesigari is a budding Full Stack and Flutter developer with a strong foundation in Python, C, and electronics engineering. A recent Computer Engineering graduate (BTech in Electronics & Communications, GPA 9.5/10), Hima Sai combines technical skills with creativity, demonstrated through projects like an automated toll gate system and a Python-based art generator. With hands-on experience as a Python Developer at HDLC Technologies, she brings practical expertise in coding, debugging, and version control.
Sandhya Bathala
Data Steward
India
Sandhya is the recent addition to the Global Fast Fit Team, eager to learn new technologies and improve skills. She has a Bachelor's Degree in Computer Science & Engineering. She has the important role of managing the vast number of videos and data the team collects around the world, as well as performing some QA.
TWO COOLEST KIDS IN THE WORLD
Ethan
GFF Musician
Kenya
Ethan is a natural-born musician with effortless swagger. Known for his dapper style—long-sleeved shirts neatly tucked into uniform trousers, complete with a bow tie—he’s the kid with the coolest haircut and a bright smile framed by two missing front teeth
Before March 2025, Ethan had never touched a recorder. With consistent dedication, training and GFF support, he mastered the instrument and went on to win local, regional, and eventually the national tournament to be recognized as the best recorder player in his age in Kenya.
Ethan’s journey has been fueled by the unwavering support of his father, often seen in Njoro town carrying his son on his shoulders on the way to recorder practice during weekends and holidays
Anita
GFF Mascot
Kenya
Anita is a vibrant 6 year old with remarkable passion for fitness. She demonstrates a natural love for staying active and trying new things. Her dedication for joy and movement make her an inspiring role model for both the young and old and a huge source of joy for the GFF global team. Anita is deeply embedded in the GFF family; her uncle is a GFF Ambassador, her mother runs a GFF affiliated microstore and her older sister is a GFF trainer, and she, like Ethan, attended a GFF sponsored kindergarten.
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