Parent Child Classes at Tumbles

A Passionate Team to
Help You Build a
Successful Kids’ Franchise Business

Meet the Tumbles Family

The Tumbles team has a wealth of experience building and operating a variety of kid-focused businesses in the fields of tutoring, education, fitness, recreation and sports. While ​we​ come from varied backgrounds, our team shares a common goal of shaping the minds and bodies of the future while providing owners with the support they need to build a ​profitable franchise business​.

Years of Combined Small
Business Experience
Years of Combined
Experience as Tumbles
Employee Owned and

Our Team

Manish Vakil CEO Tumbles

Manish Vakil

Founder + CEO

For Manish Vakil, ensuring Tumbles’ success is about more than making money—it’s also about fighting obesity and making a difference in the lives of kids and families worldwide. As founder and CEO of Tumbles, he oversees all aspects of the company—from helping franchisees build profitable businesses to expanding our mission around the globe to ensuring our programs make every kid who walks through our doors smile.

Manish has a B.S. in Finance from Rutgers University and over 15 years of experience in franchise sales, operations, marketing, price negotiation and accounting. In addition, he has a history of owning and operating a variety of profitable kid-focused businesses, including a tutoring center, kids’ gym and children’s STEM education program prior to founding Tumbles.

When he isn’t busy helping Tumbles’ franchisees build successful businesses and bringing fun fitness and STEAM education programs based on developmental milestones to kids around the world, you’ll find Manish playing tennis, watching movies or experiencing new people and cultures while traveling the globe with his wife and twin boys.

Joe Flanders, Tumbles COO

Joe Flanders

Chief Operations Officer

As Tumbles’ Chief Operations Officer (COO), Joe Flanders is our go-to guru for streamlining processes and overseeing franchisee operations support. He manages the interior design and buildout of Tumbles locations, finds and facilitates third-party partnerships for equipment, designs our STEAM curriculum, maintains the integrity of our brand identity, and develops strategies to grow our program offerings and meet the changing needs of our customers.

Joe brings a wealth of franchising and kid’s business experience to the Tumbles family. He spent 14 years as a franchisee of children’s concepts and was the creator and owner of a proprietary kid’s STEM business. Joe has a Bachelor of Business Administration in Management from the University of Georgia, where he spent four years playing trumpet in the Redcoat marching band for over 86,000 adoring fans. Go Dawgs!

For Joe, helping shape the minds and bodies of kids isn’t just a career calling—it’s a family affair. His wife, Katerina, is a biology teacher and educational specialist in curriculum development. And his three kids—Lexi (12), Nate (9) and Maddie (6)—are competitive year-round swimmers with Olympic aspirations. Joe and his family love to travel, especially if their trips incorporate active endeavors, including hiking, swimming and enjoying nature.

Alex Popovic, Chief Digital​ / Technology​ Officer

Alex Popovic

Chief Digital​/Technology​ Officer

As Tumbles’ Chief Digital​ /Technology​ Officer, Alex (“Sasha”) Popović is in charge of all things digital—from creating a suite of proprietary tools that keep our business running smoothly to managing a team of technology specialists to establishing our digital brand guidelines. Alex has a special knack for developing user-friendly digital tools that help our franchise partners build successful businesses and make it easy for our customers to learn about and sign up for our programs.

Alex brings over 12 years of hands-on experience designing, building and delivering digital products to the Tumbles family. He has worked on everything from start-up companies to blue chip brands like IKEA, JetBlue and the NFL. Alex holds a B.S. in Multimedia Design and Development from the University of Belgrade. Never one to stop learning, Alex continually hones his skills with professional development courses in cognitive computing technologies, interaction design and more.

When Alex isn’t using his technical savvy to help further​ Tumbles’​ mission of shaping the minds and bodies of the future, he enjoys​ hiking and planting trees.

Scott Horton, Tumbles Curriculum and Training Director

Scott Horton

Global Director of Curriculum and Training

Scott Horton is in charge of developing engaging kid’s gym curriculum based on developmental milestones. He also trains franchisees and their staff how to successfully implement our curriculum and spread the joy and fun of fitness worldwide.

Scott earned a B.A. from Gettysburg College, has owned and operated a Tumbles franchise in Encinitas, CA for over 24 years and has trained fellow franchisees for more than 15 years. While Scott acknowledges he might be biased, his favorite Tumbles “customers” over the years have been his own three kids—who gained confidence and the love of physical activity through the very same programs that Scott develops and teaches every day.

Born and raised in Massachusetts, Scott is a diehard Red Sox fan, but the lure of sunny Southern California brought him out West. In his free time, Scott enjoys vacationing on Cape Cod in the summer, coaching various Little League teams, and inspiring a love of fitness and sports in his three children.

Karen Kegerreis

US Director of Training and Curriculum

Karen Kegerreis is in charge of gym curriculum and operational training, as well as gym curriculum development in the US.  Some of her chief responsibilities include assisting our US franchisees implement our fun and engaging gym curricula, teaching franchisees how to build community support through positive customer service interactions, and instructing franchisees through their initial and ongoing operations training.

Karen has spent her entire adult life in the health and fitness world!  Karen earned a B.S. in Health and Physical Education with a minor in Dance from Indiana University of Pennsylvania.  She has worked as a corporate training director for a large health club chain in the Washington DC market, as a personal trainer, a group exercise instructor, a children’s mobile fitness instructor, a boys & girls varsity tennis coach, and served as a manager of multiple Tumbles locations for 13+ years!

In her free time, Karen enjoys cycling and running, and most importantly, spending time with her new granddaughter!

Julie McLendon

STEAM Curriculum Designer

As Tumbles’ STEAM (Science, Technology, Engineering, Art and Math) Curriculum Designer, Julie McLendon develops programs that foster the love of learning and help kids pursue new things in a fun, supportive environment. She loves working with children and inspiring them to discover the joy of struggling before finding the right answer.

Julie has more than 20 years of experience teaching kids from preschool to high school. She primarily teaches science, but also coaches the Gilmer County High School’s robotics team and is currently working with the school board on a new STEM program. Julie has a bachelor’s degree in Business Administration from Georgia State University, a bachelor’s in Middle Grades Education from North Georgia State College and University, a master’s in Education from Walden University and several education certifications.

When Julie isn’t busy looking for new ways to get kids excited about learning, she enjoys traveling, cooking, and building custom homes and toys for her pet goats and chickens.

Mahmoud Tarek, Tumbles Gym Curriculum Specialist

Mahmoud Tarek

Gym Curriculum Specialist

Mahmoud Tarek combines his passion for health and physical fitness with an impressive background in science and kinesiology to develop fun, science-based fitness programs for kids as Tumbles’ Curriculum Specialist.

Mahmoud has extensive experience as a fitness coach for young and old alike—from out-of-shape individuals to elite athletes. He has a Ph.D. in Kinesiology from the University of Houston, an M.S. in Molecular Biology from the University of Gӧttingen, and a B.S. in Pharmacy and Biotechnology from German University in Cairo, Egypt.

When Mahmoud isn’t busy fighting obesity and helping people of all ages stay physically active, he enjoys cycling, working out, creating videos and writing blogs. He’s currently working on his goal of winning the CrossFit Games World Championship.

Brad Shipe Tumbles General Counsel

Brad Shipe

General Counsel

As Tumbles’ General Counsel, Brad Shipe assists the company with trademarks, contracts and other legal matters.

Brad has more than 20 years of experience representing entrepreneurs and businesses in a variety of fields, including franchise law, business litigation, intellectual property, corporate law and commercial litigation. He has a B.A. in History and Math from Tulane University and a J.D. from the University of Georgia Law School.

In his free time, Brad enjoys running, watching live music and solving puzzles. As an expert puzzle-solver, Brad likes to look at problems from a variety of angles—a talent that also serves him well in the legal realm.

Martin Hancock, Tumbles Head of International Sales for Middle East

Martin Hancock

Head of International Sales
Middle East

Martin Hancock is responsible for marketing the Tumbles brand to franchise candidates in the Middle East. In his role as Head of International Sales for the Middle East, Martin educates candidates about our franchise model, ensures they are qualified to develop the business and guides them through the process of acquiring master franchise or area development rights for their country or region.

Martin has over 10 years of experience facilitating international development in over 20 countries for all sectors of franchising. He offers a deep understanding of the opportunities and challenges presented by international development for both franchisor and franchisee, and relishes the chance to help people build a successful business that promotes healthier kids worldwide.

Martin is a regular speaker at global franchise events and serves on the international committee of the International Franchise Association (IFA). In his free time, he enjoys motorsports and playing golf.

Troy Franklin, Tumbles Head of International Sales for Asia

Troy Franklin

Head of International Sales

Troy Franklin is responsible for marketing the Tumbles brand to franchise candidates in Asia. In his role as Head of International Sales for the Asia, Troy educates candidates about our franchise model, ensures they are qualified to develop the business and guides them through the process of acquiring master franchise or area development rights for their country or region.

Troy has more than 30 years of experience in senior executive positions in international franchising and business development working directly with, and consulting for, both franchisors and master franchisees across the various sectors of the franchise industry including F&B, retail and services. Troy’s experience spans across more than 70 countries and multiple regions including extensive experience in the Asia Pacific Region and across the Indian Sub-Continent, Europe, the Middle East and parts of Africa.

Troy has spoken at leading franchise expos and events internationally and his broad experience and exposure lends itself to his presentation topics which are founded on his real-world experience.

Kevin Hogan, Tumbles Head of Domestic Sales

Kevin Hogan

Head of Domestic Sales

Kevin Hogan helps ensure the success of the Tumbles’ brand and its franchisees by recruiting the right franchise partners, developing strong business and financial plans, creating effective training programs, and establishing systems and processes to improve customer service at every level of the company.

 Kevin brings over 25 years of franchising experience to Tumbles. Over the years, he has played a role in more than 1,000 franchise brands, including Burger King, Jiffy Lube, Radisson Hotels, 7-11, TGI Fridays, Mobil and more.