Bertina Dew

Executive Director

Bertina Sixto Dew has been Executive Director of Kingsport Ballet since 1999. She led the search committee which recruited Valeria Sinyavskaya, artistic director and ballet mistress, from Russia by way of Tokyo, Japan, in 2001. Under Ms Dew’s leadership the organization merged the school and company, streamlining their efforts and becoming fully non-profit with a community-minded mission. She has served as grant writer and fundraiser for the organization, in addition to being costume and set designer for Kingsport Ballet’s productions such as Swan Lake, The Sleeping Beauty, Giselle and Don Quixote. She implemented the DANCE CO project in 2003, which works with non-arts, community organizations and after school programs serving at-risk children such as Boys and Girls Club,  to provide classical ballet instruction at no cost to the students. Ms. Dew secured a National Endowment for the Arts grant for the outreach program in 2006. In 2010 she led the renovation of Kingsport Ballet’s new 15,000 square foot facility, which includes four dance studios, a dance boutique, an art gallery, an arts wing subletting space to small businesses, and a fitness and wellness lounge providing physical therapy. Ms. Dew received the Arts Council of Greater Kingsport’s Arts Leadership award in 2010, the Tennessee Association of Dance award in Dance Advocacy in 2011, and a YWCA Tribute to Women award for Volunteerism in 2012. In 2016 she conceptualized the project and designed the costumes for the Company’s contemporary ballet, Seeds of Change, celebrating the city’s one hundredth anniversary. Ms Dew was recognized in 2017 by the Junior League of Kingsport’s “Women of Impact”  as one of 130 outstanding women who have made significant contributions to the city during its 100 years of history. Prior to her becoming executive director at KB, she specialized in oil portraits and murals, and worked in Washington, D.C., San Francisco and Augusta, GA. Ms Dew earned a Master’s degree in Art Therapy from the George Washington University and a Bachelor’s in Art Education from Florida State University. She is originally from Uruguay and currently lives in Kingsport, Tennessee with her husband Michael. They have three daughters.

Valeria Sinyavskaya

Artistic Director

Valeria Sinyavskaya is the artistic director and ballet mistress of Kingsport Ballet. She was trained at the State Classical Ballet Academy in Kiev, Ukraine. She graduated first in the class of the renowned choreographer Gallina Berezova, pupil of Agrippina Vaganova, the founder of the Russian method of classical ballet training. She holds a master of Fine Arts from the Lunacharsky Institute of Theatrical Arts in Moscow. Her performing experience includes all the major classical roles with the Novosibirsk Theater of Opera and Ballet in Russia, and as a guest performer in other Russian ballet companies such as the Bolshoi Ballet. During her professional performing career with Novosibirsk Ballet, she enjoyed numerous international touring engagements, performing as the company’s Prima Ballerina. Since that time she has gained extensive experience as a teacher, choreographer, and artistic director in the U.S. and abroad, including with the University of South Florida, Jacksonville University, Southern Ballet Theater, Orlando City Ballet, and the International School of Dance in Japan, where she served as a Principal Teacher and Choreographer, staging productions that blended the work of ballet students with professional performers from throughout Europe. She has staged ballet classics such as Swan Lake, The Sleeping Beauty, Don Quisote, The Nutcracker, and Giselle, among other ballets, as well as choreographed original works. Ms Sinyavskaya teaches the Vaganova method of classical ballet. Ms. Sinyavskaya is honored to be recipient of the Tennessee Arts Commission’s Individual Artist Fellowship award for choreography, and KingsportArts’ artistic leadership award.

Leonid Flegmatov

Assistant to Artistic Director/Master Teacher

Leonid Flegmatov graduated from the famed Bolshoi Ballet Academy (also known as Moscow State Academy of Choreography), and joined the Russian Academy of Theatrical Arts GITIS as a soloist. He was awarded a prize in the First International Chabukiani-Balanchine Ballet Competition in 2001. He has toured Europe, Asia and the United States. In the U.S. he has danced with Miami City Ballet, Columbia Classical Ballet, International Ballet Theater, Grand Rapids Ballet Company and New Jersey Ballet.

During his tenure with Grand Rapids Ballet, he danced in the Company’s productions both classical and contemporary pieces, including a special program with the Paul Taylor “Company B”, launching Grand Rapids’ 2011-2012 season. In 2013, while working as a Principal dancer with New Jersey Ballet, Mr. Flegmatov and his partner Mari Sugawa were coached by the legendary Edward Villlella, on the Company’s Balanchine repertoire.

During his more than 10 year tenure with New Jersey Ballet, Mr. Flegmatov danced numerous lead roles, including Romeo in Romeo and Juliet , and Nutcracker Cavalier in The Nutcracker , among many other classical and contemporary works. During this time he also taught and performed with Puerto Rico’s Ballet de San Juan and performed showcases with Puerto Rico’s star ballerina.

He was on the teaching faculty and dance company of New Jersey Ballet since 2007, where he taught all levels of ballet, including the professional Company classes. In 2018 Mr. Flegmatov began to transition from Principal Danseur to Master Teacher. Mr. Flegmatov joined the Kingsport Ballet full time faculty as Assistant to the Artistic Director and Master Teacher in Fall of 2019.

He has been on the panel of judges for various competitions, most recently the Jewels Festival in Brooklyn, New York, where students competed among 600 dancers from around the world. Several of Mr. Flegmatov students won top prizes, such as multiple “Grand Prix” awards, “Special Judge’s Prize” awarded by the director of the Joffrey Ballet School in New York, as well as second and third place wins. Additionally, Mr. Flegmatov won 2nd place “Best Teacher” award and Kingsport Ballet also secured 2nd place “Best School” as a result of Mr. Flegmatov’s students’ high achievement at the Festival.

Since his arrival in Kingsport, he has successfully coached various Kingsport Ballet students for auditions and competitions in competitive national programs.

Laura Markus

Dance Movement/Preparatory Ballet, Lower school Jazz and Tap, Adult Ballet

Laura Markus received her formal training under Karen Gibbons-Brown. She was one of the first graduating classes of the Kingsport Guild of Ballet and State of Franklin Dance Alliance. She continued her training with the school and company while attending ETSU Her history with the company included numerous facets from instruction t, rehearsal coach, assistant to the Director, costuming and stage craft as well as SFDA Board Member. After her time with the KGB/SFDA, Miss Markus has taught and performed for the Fayetteville Ballet Théâtre(NC), Northwest Florida Ballet and Northwest Florida State College. During her time in FL she developed an after-school dance program for Walton County School District (FL) which led to her opening her own school, Ecole de Danse in 2001. She is happy and excited to have come full circle and return to her original classical training with the Kingsport Ballet.

Jessica Barrett

Physical Therapist

Jessica has studied all styles of dance from ballet to hip-hop at schools including University of North Carolina School of the Arts, American Ballet Theatre, and Broadway Dance Center in NYC.  As a ballet student, she performed soloist roles in Coppelia, The Nutcracker, and The Sleeping Beauty and was a dancer on the Furman University dance team.  Ms. Barrett is an award-winning choreographer.  Her professional work includes dancing in commercials and industrials for BMW and Swiffer as well as acting and dancing in films such as “Step Up 2:  The Streets” and George Clooney’s “Leatherheads”.  Ms. Barrett received a bachelor’s degree in biology from Furman University and a master’s degree in physical therapy from East Carolina University.  While at East Carolina, she was the recipient of the George F. Hamilton Award for outstanding physical therapy student, worked with faculty to treat injured ECU dance majors, and completed an internship at The Harkness Center for Dance Injuries in NYC.


Stephanie Hill Roberts – Yoga


Elisa Henson – Executive Assistant

Board of Directors

Jessica Barrett, President and Treasurer

Mary Shull, Vice President

Karen Ellison, Secretary

Glenna Boggan

Linda Buckles

Clarissa Tatum

Heather Taylor

Advisory Board

Joseph Huffman

Mary Ruth Richards

Dr. Lenita Thibault

Alma Velasco

Honorary Board

Marcy Carrier

Janet Mather

Sandra Woolley

Agnese Goin

Kim DeCroes