about us

Our Coaching Staff

We are proud of our highly qualified, USAG Safety Certified staff of team coaches. They are enthusiastic, dedicated educators with a strong commitment toward physical fitness and individual achievement.

Tatiana Kamarskaya (Owner, Recreational/Team Coach)

Tatiana Kamarskaya has over 29 years of highly successful coaching experience in the United States and in the former Soviet Union. Born in Kiev, Ukraine, Tatiana was a member of the Ukraine National Team, winner of the National Championship and prize holder of the USSR Acrobatics Championships. Four of her students in the USSR became Masters of Sport, two became International Masters of Sport and one of her students became a bronze medallist at the World Championships in France in 1992. Tatiana has received numerous invitations to teach clinics and choreograph gymnastics routines around the U.S. While on the West Coast, Tatiana conducted gymnastics clinics with Bela Karoli, Arthur Acopian and other successful coaches and gymnasts. Additionally, Tatiana is one of the founders and operators of Exxcel Gymnastics.

Gary Leykin (Owner, Recreational/Team Coach)

With over 30 years of coaching experience, Gary Leykin has a wealth of credentials in the field of gymnastics. His personal gymnastics achievements include being a Champion with the United Team of Belorussia, being a Youth Championship winner of the former USSR, and holder of the Honored Master Sport award (which is the highest level achievable in Soviet athletics). Following 17 years as coach/instructor, while serving as a regional board member of DINAMO in the USSR, Gary coached two students who qualified for membership on the 1986 USSR Olympic team. Upon coming to the United States, he was head coach of Spectrum Gymnastics in Brockton, MA for two years. During these years, he coached one student to qualify for the U.S. Junior National Team. In 1998, Gary opened Exxcel Gymnastics. Since, he has successfully developed one of the best boysí gymnastics programs in Massachusetts.

Alex Toumilovich (Optional Girls Team Director)

Alex Toumilovich has achieved the highest level attainable as a gymnast in international men’s gymnastics, while competing for Belorussia. His personal achievements include participation as a Member of the USSR National Team and being a European All-Around Bronze Medalist. He has had equal success as a coach of women’s gymnastics. His accomplishments include coaching three students who earned the coveted “Master of Sports” titles, a silver medal winner in the 1996 World Championships and two national champions. Selected to be an International Gymnastics Judge, his judging experience includes the World Championships in 1994, Pre-Olympic Trials in 1995 and European Championships in 1994, 1996 and 1998. When Exxcel began operating in 1998, Alex was among the first staff members to join us as a team coach.

Melissa McManus (Exxcel Team Director)

Melissa McManus has been involved in competitive gymnastics for over 15 years both as a USAG competitive gymnast for CRGA and as a coach. She has around13 years’ experience as a dancer. Since then, Melissa has received a BS in Finance and Economics from Stonehill College. Melissa joined the Exxcel staff in 2001 teaching recreational gymnastics and has gone on to coach and help grow Exxcel’s Compulsory and Prep Opt Teams. She has also been our Summer Camp Director since 2005. Over the past few years, Melissa has coached 10 State, 4 Regional and 1 National Champion.

Laura Fields (Prep Opt Team Director/Level 3 Program Coordinator)

Laura was a competitive gymnast for CRGA for 8 years during which she was a MA State champion and Regional TOPS qualifier. She joined Exxcel in 2003 and works with our Prep Opt team. She has coached many state champions. During college at UMass, she won Best All Around on her cheerleading team. Laura led her team to a 3rd place finish at Nationals. She received her degree in 2008 in Marketing from UMass Amherst.

Kristin Cerrato (Dynamos Program Coordinator/Team Coach)

As a competitive gymnast of eight years, Kristin Cerrato won two State Championships and competed in regional competitions. Since that time, Kristin has earned a B.S. in Education with an emphasis in elementary education. Kristin began instructing gymnasts at Exxcel in 1999 and has grown to be a highly respected member of our coaching staff.

Christine Curran (Preschool Program Director)

Christine has been employed at Exxcel since 2003. She has been teaching preschool gymnastics for over ten years. She formerly coached youth cheerleading and has run and directed many successful cheerleading camps on the South Shore. She has earned her Kinder Accreditation for Teachers (KAT) as well as a certificate in Movement Education Lesson Plan Development (MELPD). Her love and passion for working with children has helped our program to grow and thrive.

Matt Thompson (Climbing Director)

Matt is a physical education teacher with 14 years of coaching experience. He has been rock climbing and mountaineering for more than 4 years. He has climbed the highest mountain peak in North America, Mount McKinley (also known as Denali) in Alaska. While living in Nepal, Matt climbed many of the mountain peaks surrounding Mount Everest in the Himalayas. He has an extensive background working with children with all different forms of physical and mental disabilities.  Matt has 2 degrees from the State University of New York in Physical Education and Exercise Physiology. He was also a professional runner for 5 years, as a backup for the U.S. Olympic Team.

Kendra Medeiros (Camp Director)

Kendra Medeiros She has been at Exxcel since 2004 where she has coached youth, junior and senior level teams. Kendra has coached many levels of cheerleading including All Star, High School and Pop Warner/Youth Programs. Kendra is MSSAA certified judge, NCJC Certified, AACCA Certified, USAG Safety Certified, First Aid, CPR certified, AED, and USASF Certified in Stunts, Tosses and Tumbling (Levels 1-5). Kendra teaches the various cheer camps, and clinics offered at Exxcel along with Cheerleading and Tumbling Classes.

Amy Brubaker Donahue (Parentís Morning Out Director)

Amy has been teaching at Exxcel for 9 years and has been teaching gymnastics for over thirty years. She holds a degree in Biology and secondary teaching certification from the University of Massachusetts, Amherst.  Though she enjoys teaching children of all ages, she has a soft spot for our youngest gymnasts and loves to create a fun and fantasy filled environment for her students.  "The most productive learning happens when the kids are engaged, challenged, and having a grand time," says Amy. "If that means turning a gym mat into a Pirate ship or inventing songs on the spot to teach colors or motor awareness, I am happy to oblige!"

Asya Sutbayeva (Kids Night Out Director/Recreational Coach)

Asya has been a coach at Exxcel since 2010. She was born in Kazakhstan. She has a degree in Master of Sport for Artistic Acrobatics. Asya was a member of the Kazakhstan National Team. She has been an accomplished gymnastics coach for over 17 years. Her students are medalists at International Competitions including, World Championships, Asian Championships, and National Championships. She was selected to be an International judge from 2001-2008. While at Exxcel, Asya will coach classes and girls team.

Edison Carvajal (Team Coach)

Edison is a former member of the Colombian National Gymnastics Team. He competed professionally for 8 years. He participated in many prestigious competitions including the South American Games, Pan American Championships, Bolivarian Countries Games and the World Championships in Anahaim, California. Edison has 9 years’ experience as a Professional gymnastics recreational and competitive Coach.

Lana Kodysh (Recreational Coach)

Lana has been teaching at Exxcel since 1998. Lana studied gymnastics for four years at her university and two years in her “sport school.” In addition to her gymnastics background, she has eight years of training in acrobatics in a circus studio setting. She has received multiple awards for her participation in circus shows. She worked at two alpinist’s camps in Pamirs and Caucasus. Lana is USAG certified.

Bernardo Monte (Cheer/Rec Gymnastics Coach/Parkour coach)

Bernardo has been working at Exxcel in 2013. Bee began his gymnastics career in 1996 at a summer youth program called Jamnastics. He began his work there as “Coach in Training” and eventually worked his way up to work both hip hop and gymnastics in public schools in Cambridge and Boston. Along with his extensive gymnastics back round, Bee, has experience with cheerleading. He began as a part time tumbling for a team at a local gym and because of his enormous contribution to the success of the cheer program; he was offered a full time position. Bee also has a passion for Parkour, something he has done his whole life. He calls himself a “daredevil.” Bee opened up a Parkour class in 2006 that expanded into a company in 2006 called Boston Parkour Academy. Currently, Bee is the assistant cheerleading coach at Exxcel, a recreational gymnastics coach and Parkour coach.

Sasha Mishenina (Team Coach)

Sasha has been a member of the Exxcel Gymnastics and Climbing staff since 2012. A native of Kiev, Sasha, competed on the same Ukrainian national gymnastics team as legendary 1996 Olympic, World and European all-around champion Lilia Podkopayeva. At age five, Sasha began gymnastics training at the Sport Palace in Kiev, and three years later she left home and boarded at a Kiev-based Olympic training facility. She was selected as a member of the USSR’s junior national team, winning numerous medals in the all-around event at competitions throughout the Ukraine. While a student, Sasha was a cheerleader for the 13-time Ukrainian soccer champion FC Dynamo Kiev and a dancer for the popular Ukrainian rock band Vopli Videopliasova. In addition to her training, she served as a gymnastics instructor and choreography trainer at Ukrainian Olympic-level training schools. Following graduation, she traded the pursuit of the Olympic rings for circus ovals, joining the Belarusian State Circus, where she performed aerial acrobatics during tours of Europe and the U.S. until 2005. Since 2006, she’s served as an instructor of gymnastics, dance, aerobics and choreography at the supplementary education and enrichment program for children 18-months to 18-years-old. Along with gymnastics, Sasha is a skilled choreographer. Recently, she choreographed the routine that won the High Gold Champions Award at the International Dance Challenge.