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 Tim Cowart

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Chair of the Dance Department and Director of the Summer Dance Intensive
Associate Professor: Modern Dance Technique, Kinesiology for Dancers, Dance in World Cultures, Dance  on Camera, Contact Improvisation

610.282.1100 ext. 1663

  • M.F.A. in Dance, University of Oregon
  • M.S. in Arts Administration, University of Oregon
  • B.F.A. in Dance and Choreography, Virginia Commonwealth University



Tim Cowart has performed nationally and internationally as a company member of the Lewitzky Dance Company, The Pittsburgh Dance Alloy, and with Impact Production’s “Dayuma” and the “Masterpiece.” He has also performed with Elizabeth Streb/ Ringside, The David Dorfman Dance Company, Minh Tran and Company, and The Dance Theatre of Oregon.  He continues to create work and perform for Co-Art Dance, a contemporary dance company he cofounded with his wife Corrie in 1997. He has teaching certifications in DanceAbility, Body Flow, and in Stott Pilates. He has taught in the dance programs of Western Oregon University, Lane Community College, and at the University of Oregon. He has been directing the DeSales University Dance Department since 2005. As Chair of the Department he has spearheaded an ongoing partnership with DanceNow/NYC that brings in over 20 guest artists per year from NYC, Philadelphia and beyond. He initiated the annual DeSales University Screendance Festival, and has fostered collaboration between the TV/Film, Theatre and Dance Departments. His research interests are in modern dance partnering techniques, Dance Film, East Asian dance traditions, and the life, work and influence that dancer/choreographer Michio Ito had on the early development of Modern Dance. Cowart teaches course work in all levels of modern dance technique, dance composition, contact improvisation, the evolution of ballet and modern dance, dance in world cultures, senior research seminar, and dance on camera. 

Angela Sigley Grossman

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Assistant Professor: Modern Dance Technique, Dance Composition I, Freshman Seminar, Dance Pedagogy, Intro to Ballet and Modern, Tap

610.282.1100  ext. 1719

  • M.F.A. in Dance Performance and Choreography, Temple University
  • B.A. in Dance, DeSales University


Angela Sigley holds an MFA degree in dance performance and choreography from Temple University and a BA degree in dance as a magna cum laude graduate of DeSales University. She has presented choreographic work at Temple University, DeSales University, and in the Philadelphia Fringe Festival, and has performed for various local and nationally known independent choreographers including Chris Elam, Lisa Kraus, Seán Curran, and Dan Joyce. Angela has also designed lighting for dance performances in different venues in the Philadelphia area. She has taught at Temple University, the Lehigh Valley Charter High School for the Performing Arts, and other local schools and camps, and joined the faculty of DeSales University in 2011 as an Assistant Professor of Dance.

Julia Mayo

Julia Mayo

Assistant Professor: Ballet Technique, Jazz, Senior Dance Seminar, Dance History, and Dance Composition 2

610.282.1100 ext. 1243

  • M.F.A. in Dance Performance, New York University’s Tisch School for the Arts
  • B.F.A. in Dance, The Juilliard School

Julia is a native of Louisiana, where she performed with the Baton Rouge Ballet Theater under the direction of Molly Buchmann and Sharon Mathews. Julia continued her dance training in New York City and holds a BFA in dance from The Juilliard School under the direction of Lawrence Rhodes, and an MFA in dance performance from New York University’s Tisch School for the Arts. Julia has worked directly with choreographers Eliot Feld, Aszure Barton, Seán Curran and Jacquelyn Buglisi and has performed repertory by Paul Taylor, Mark Morris, and Antony Tudor. Julia was a member of Cherylyn Lavagnino Dance and has performed nationally and internationally with various companies. Her choreography has been performed throughout New York City, Wyoming, and Louisiana. Julia was on faculty at the Atlanta Ballet Centre for Dance Education for three years working with students of all ages, including their pre-professional division. She served as the director of the dance program at Western Wyoming Community College from 2012-2014

Trinette Singleton
trinette blog

Adjunct Instructor: Ballet Technique, Pointe and Partnering, Director of the Conservatory of Dance Program

  • Board of Directors for the Gerald Arpino Foundation
  • Licentiate Imperial Society of Teachers of Dance, London, England
  • Doctor of Fine Arts, Honoris Causa, DeSales University
  • Serves on the Advisory Board for Cecchetti USA, and is frequently a guest Master Teacher

trinette time blogTrinette Singleton began her professional career with New York’s Joffrey Ballet in 1965. Upon graduating from high school at the age of 17, she attended The Joffrey Ballet School, NYC, on full scholarship. She joined the company a year later. With them, she toured throughout the U.S, Canada, Mexico, and Europe, performing in ballets by such notable choreographers as Joffrey, Arpino, Ashton, Balanchine, Cranko, DeMille, Jooss, Tharp, and Tudor.Trinette has performed at the White House for two US presidents and King Olaf of Norway . She appeared on Broadway with The Joffrey as part of Nureyev and Friends, Tribute to Diaghelev.Trinette was thrust into national prominence in 1967, appearing in the multi-media ballet, Astarte, created on her by her mentor, Robert Joffrey. She was the first American dancer to appear on the cover of Time. Following her performing years, she was Administrative Assistant to Robert Joffrey and Ballet Mistress for the company from 1979 to 1984. After the birth of her daughter in 1984, she joined the faculty of The Joffrey Ballet School, NYC, teaching until 2004. In 2008, Trinette appeared as a guest artist in The Joffrey Ballet Company’s Tudor Centennial in Chicago.Some of her other activities include residencies at Florida State University, Bucknell University, and for South Central ACDF, at Texas Christian University. In 1994, she won the National Choreography  Plan Award an has since choreographed for numerous professional and regional companies.In 2002, she restaged Astarte for The Joffrey Ballet Company in Chicago. She was on the faculty of The New School University where she taught in the BFA program from 1999-2005, which was sold when she and her husband moved out of the area.Trinette is Co-Artistic Director of Repertory Dance Theatre in Allentown. She is also on the faculty at DeSales University, where she teaches ballet, pointe, and partnering technique, as well as serving as Director of the Conservatory of Dance. For the past nine years, she has been on the faculty of The Joffrey Texas Workshop in San Antonio. Trinette serves on the Advisory Board for Cecchetti USA, and is frequently a guest Master Teacher at their seminars. She recently acted as one of three judges for CUSA, to select candidates for the Cecchetti International Ballet Competition. In 2010, Trinette was appointed to the Board of Directors for the Gerald Arpino Foundation. She was presented with the Outstanding Choreographer Award at the 2010 semi-finals of the Youth America Grand Prix and was made an Honorary Member of Cecchetti International Classical Ballet.Trinette is the recipient of the 2010 LVAIC Dance Consortium Award for Outstanding Educator/Choreographer. She holds her Licentiate Imperial Society of Teachers of Dance, London, England, and her Doctor of Fine Arts, Honoris Causa, DeSales University.

Rebbeca Moyer

becky blog

Adjunct Instructor: Modern Dance Technique

  • M.F.A. in Dance Choreography, State University of New York – Purchase College
  • B.A. in Dance, DeSales University
  • B.A. in Business Management, DeSales University

Rebecca Moyer is the co-director of Vada Dance Collective, a modern dance company based in the Philadelphia area. She has had the opportunity to teach in various dance programs in the Philadelphia and New York area, and is currently teaching at Lehigh Valley Charter High School for the Performing Arts and at DeSales University. She has choreographed for the Marywood University Dance Ensemble, DeSales University Dance Ensemble, Penn State Dance Company, Xtensions, Dance Company, ACTion Dance Touring Company, Moravian College Dance Company, and her works have been seen in various venues such as the Philadelphia Fringe Festival, Philadelphia Dance Fest, American College Dance Festivals, and Gallery B in New York City.