NBT Instructors

Our instructors, led by Edra Toth, have decades
of performance and teaching experience.

Edra Toth

(Ballet, Pointe)

Edra Toth was born in Budapest, Hungary and left with her family at the age of 4 during the Hungarian uprising in 1956 and came to Boston.  She became the protégé of E. Virginia Williams, the founder of Boston Ballet, at the age of 13, dancing in Les Sylphides.  She was promoted to Principal dancer within two short years, and became a national star at the age of 16, dancing the lead in Giselle opposite Ivan Nagy in less than a weeks’ notice.  She was the Prima Ballerina and leading star for the Boston Ballet for over ten years, dancing with some of the world's leading male dancers such as Rudolf Nureyev, Ivan Nagy, Samuel Kurkjian, Edward Villella, and Woytek Lowski.  While in Boston Ballet, she danced every ballerina role such as Princess Aurora in Sleeping Beauty, Giselle, Cinderella, Sugar Plum Fairy in The Nutcracker, Carmen in Carmen, Swanhilda in Copelia, and Swan Queen in Swan Lake.  Her Balanchine repertory includes the Sylph in Scotch Symphony, 2nd Movement in Symphony C, Tchaikovsky pas de deus, Allegro Brilliant, Terpsichore in Apollo, Liberty Bell in Stars and Stripes, Tarantella, Serenade, Concerto Barocco, Pas de Dix, Donizetti Variations, and Vase Fantasia.  She has also danced the role of the Cowgirl in Rodeo,  Corsaire pas de deus, Arietta, Sea Alliance and many original works in the Boston Ballet’s annual Choreography Showcase Competitions.  Miss Toth also danced at Boston’s Symphony Hall with the Boston Symphony under the direction of the great maestro Arthur Fielder which was filmed and aired nationally on PBS.  As a Guest Artist, Miss Toth has danced internationally and created the role of Juliet in Romeo and Juliet for the Pittsburgh Ballet Theater.  She also studied the Bournonville technique in Denmark for four years with Adel Pederson and Fleming Rydberg.  Miss Toth has also been Principal dancer with the Boston Reperatory Ballet and danced the role of Titania in A Midsummer Night’s Dream,  Juliet in Romeo and Juliet, and Sugar Plum Fairy in The Nutcracker with the North Atlantic Ballet.  Miss Toth has appeared with the Boston Dance Company in Ruth St. Denis’ Incense,  James Reardon’s Trauermusik and Verdi Variations.  Miss Toth’s own choreography includes, Magic Mountain, Seamus’ Quest, Dracula, The Pirate and the Gypsy, Beauty and the Beast, Cinderella and Snow White.  Miss Toth’s dedication to the art of ballet lead her to open her own ballet school in 1973 while at the apex of her career.  This school has evolved into that which is now Northeastern Ballet Theatre.  Miss Toth was asked by Governor Lynch of New Hampshire to join the Governor’s Council on the Arts, and is a former member.  Miss Toth continues to inspire the young dancers of today through her passion and dedication to passing on the classical traditions of ballet.

John Ling

(Ballet, Pointe, Jazz, Stretch and Strengthening)

Mr. Ling is the Head of the Dance Department at Brewster Academy. Performing principal roles in such classics as The Nutcracker and La Corsaire Pas de Deux, to more contemporary choreography, John’s career has spanned several professional dance companies, which include The Lumiere Ballet, The Eglevsky Ballet, New York Dance Theatre, Granite State Ballet and numerous ballroom and jazz companies. John trained with the Joffrey Ballet School in New York as well as New York Conservatory, among others. He has also appeared in musical such as 42nd Street, Kismet and A Chorus Line. Mr. Ling has been teaching and performing with Northeastern Ballet Theatre since 2006.

Karen Ponton

(Pre-Ballet, Ballet, Pointe)

Miss Karen has been teaching ballet and pointe for thirty years, drawing on her background as a nurse to focus on correct technique and proper alignment to prevent injury. Before coming to NBT in 2011, she taught in CT and then the Midwest, most recently in Minnesota, where she developed the pointe curriculum for Fourth Street Dance Center in White Bear Lake. Miss Karen was trained primarily in the Vagonova tradition and the (Gus) Giordano Jazz technique, and she still takes class whenever she can. Miss Karen attended the DEA Teacher Training School in NYC and was certified as a dance instructor by NADAA. While in CT, she performed with the Coulon Danse Consortium in its ballet and jazz companies, and she appears as Frau Silberhause in NBT's The Nutcracker.

Susan Endrizzi

(Ballet, Pointe)

Susan Ingraham Endrizzi began her training at the Robertson School of Classical Ballet. In 1994 she received her B.F.A. in dance performance from Butler University. Her professional credits include performances with Ballet New England and Ballet Theatre of Pennsylvania. Endrizzi joined Jose Mateo's Ballet Theatre of Boston in 1995 where she danced original choreography for 9 years, taught all levels for 8 years, and was a rehearsal assistant for 2 years. Other teaching credits include University of Massachusetts Boston and Portsmouth School of Ballet. Endrizzi teaches Ballet I, Ballet II and Pointe at the University of New Hampshire. She is also a personal trainer and has taught ballet fitness classes.

Spencer Keith


Spencer was born in Romania and Raised in Honolulu, HI.

He received his training at Academie de Danse Classique Princesse Grace, Woodbury Ballet and Hawaii State Ballet and was taught by instructors Randyl Errica, Marika Besobrasova and John Landovsky.

In 2008 Spencer was invited to participate in the Bolshoi Ballet Academy’s Gala performance. He was awarded a gold medal for pas de deux in the Connecticut Classic Competition in 2011 and a silver medal for variation in 2012.

Spencer has danced with Jose Mateo Ballet Theatre for 6 years. Spencer made his debut with Northeastern Ballet Theatre's company in "The Pirate and the Gypsy" in 2018.