Lieb, Frost, Jessor, Kent, Stern

Brooke Lieb, Director of Teacher Certification (2008 – present), received her certification from ACAT in 1989, joined the faculty in 1992, and served as Associate Director of Training at ACAT from 2006 to 2008. Brooke has been Guest Faculty at Vivien and Neil Schapera’s Teacher Certification Program in Cincinnati; and at Nancy Romita’s ATMidAtlantic Teacher Training Apprenticeship. Brooke has presented at the AmSAT ACGM (2009, 2010, 2012 – 2016), at The 8th International Congress of the Alexander Technique, Lugano, Switzerland, 2008, and at the 10th International Congress of the Alexander Technique, Limerick, Ireland 2015. She has taught at C. W. Post College, St. Rose College, Kutztown University, Pace University, The Actors Institute, The National Theatre Conservatory at the Denver Center for the Performing Arts, Dennison University, and Wagner College; and has made presentations for the Hospital for Special Surgery, the Scoliosis Foundation, and the Arthritis Foundation; Mercy College and Touro College, Departments of Physical Therapy; and Northern Westchester Hospital. She trained under Judith Leibowitz, Deborah Caplan and Barbara Kent, and has done Post Graduate Studies with Barbara Kent, Vivien Schapera, Walter and Dilys Carrington, Glynn MacDonald, Ruth Murray, Elizabeth and Lucia Walker, Missy Vineyard, Tommy Thompson, Pedro de Alcantara and John Nicholls, among others. Brooke maintains a teaching practice in NYC, specializing in working with people dealing with pain, back injuries and scoliosis; and performing artists.

Joan Frost has been teaching the Alexander Technique for the past 31 years, having been certified at The American Center for the Alexander Technique (ACAT) in New York City in 1983.


She has been training teachers at ACAT since 1984 and was Director of Teacher Certification from 2001-2008.


Joan has also been on the faculties of The Juilliard School, The New School, and has taught at Sarah Lawrence College.


In addition to her classes at ACAT, Joan teaches at Spine Options, a medical facility in White Plains, New York, and has a private practice in Manhattan, in Connecticut and in Rockland County, New York.

Judith Stern trained at ACAT and was certified by AmSAT in 1987. She joined the ACAT Faculty that same year as the Anatomy teacher and became a member of the ACAT Senior Faculty in 1995. Prior to her Alexander training, Judith received her BS and Post-graduate Certificate in Physical Therapy from Simmons College in 1968, and her Masters in Health Education from the University of Florida in 1979. She has served the community as: Vice-President of AmSAT, Chairperson of ACAT, and is faculty at the Alexander Residential Course at UNCSA. She has presented the Technique at Columbia University Medical School, Albert Einstein College of Medicine, NYU, the Aspen Music Festival Conference on Medical Problems of Performing Artists, the Verbier Music Festival, and the 9th International Congress of the FM Alexander Technique. Judith was a Director of the 8th International Congress in Lugano, Switzerland, August 2008.


Judith’s major influences include Judy Liebowitz, Deborah Caplan, Frank Ottiwell, and Elisabeth Walker. She has also studied with Walter and Dylis Carrington and Shmuel Nelkin and completed Jessica Wolf’ first post graduate training in The Art of Breathing. She has been teaching the Alexander Technique privately in Rye, NY for almost 30 years. Her expertise is working with people with issues of Pain.

Kim Jessor is a senior faculty at ACAT, where she was certified in 1981. Since then, she has taught continuously on the training course, and served as Director of the Teacher Certification Program 1991-1994. Kim is Alexander faculty at NYU’s Tisch School of the Arts Graduate Acting Program and also teaches in the BFA New Studio on Broadway Musical Theater Program. At NYU she has coached over 100 productions as well as collaborated in Scene Study and Singing classes. She has presented regularly at the annual Freedom to Act: Acting and the Alexander Technique conferences, and has also taught at The New School, the DeCoda/Skidmore Chamber Music Institute, Chautauqua, Penland School of Crafts, the New York Open Center, Brooklyn Conservatory of Music and the Miller Healthcare Institute for Performing Arts Medicine. Kim has a private practice in Manhattan and Brooklyn. Her particular interests are in working with performing artists and in training teachers.

Barbara Kent earned her B.A. in Music at California State University in 1959, studied voice at the Juilliard School from 1960-61, and received her MA in Music from Brooklyn College in 1971. Her singing led her to the Alexander Technique in the early 60’s, and she was certified by ACAT in 1971. Barbara was a faculty member of ACAT from 1972 to 2015 when she relocated to Middlebury, Vermont, and served as ACAT’s TCP Director from 1982-87, and 1996-2001. A long time faculty of the Sweet Briar Residential Course, Barbara has presented at a number of International Congresses; and for the New York Singing Teachers’ Association and the Rubenfeld Synergy International Association. Barbara offers the Post Certification Program “Progress, Not Perfection” through ACAT. She studied with Carl Stough and integrates the principles of Breathing Coordination into her work; she is also certified in the Rubenfeld Synergy Method. Barbara maintains a private practice in Middlebury, VT and makes teaching visit to NYC.