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The Board of Trustees is elected by the membership. The Board of Trustees maintains final authority over any decisions of the Executive Committee and staff.

2019 Board of Trustees 


Stephen Aron
is a well-established figure on the American classical guitar scene. He performs regularly across North America and Europe and has released eight CD’s to critical acclaim. Notably, the music Aron has recorded is almost entirely of his own creation, either by arrangement or composition, and includes volumes of music of Chopin, Mendelssohn and Schumann, and the complete guitar works of Burle Marx. His works are published by Tuscany, Mel Bay and Clear Note. Aron holds teaching posts at the University of Akron and Oberlin Conservatory of Music. Aron was a GFA Board member 1989-92, and acted as Chaiman, 1990-92.
Joanne Castellani
and her husband, Michael Andriaccio, have enjoyed a celebrated career as one of the foremost guitar duos in the world. Having received numerous awards and distinctions including two National Endowment for the Arts Solo Recitalist Fellowships and a scholarship to the master classes of Andres Segovia in Spain, they have toured internationally as recitalists and concerto soloists. The Duo has recorded ten acclaimed CDs, two named “Best of the Year” by Fanfare Magazine and American Record Guide and two DVDs. She is cofounder, President and CEO of Fleur de Son Classics, a record label with over one hundred acclaimed titles. Joanne has served as Board member and Executive Director of the Guitar Foundation of America International Competitions and is currently Artistic Co-Director of the JoAnn Falletta International Guitar Concerto Competition.
Mark Delpriora
is co-chairman of the guitar department at Manhattan School of Music and is on the faculty of the Juilliard School in the Undergraduate Studies department. Delpriora’s compositions are published by Editions Orphee,  Berben Edizioni Musicali, and Guitar Arts Publishing. Sections of his work "Variations on a Theme by Sor" were used as the set piece for the 2011 Guitar Foundation of America Competition. He has been on the juries of several international competitions including the Naumberg, Guitar Foundation of America, Lagonegro (Italy),  Barrios and the D’Addario Concerto competitions. He has recorded for Koch International Classics, Soundspells, Philips, Tzadik, and CRI and has 6 CDs with flutist Laurel Zucker on Cantilena Records.
Alexander Dunn
holds a Bachelor and Masters Degree in Performance from the San Francisco  Conservatory of Music and a Ph.D. in Musicology from the University of California, San Diego, where he  was a protégé of Pepe Romero. His ground-breaking dissertation, “Robert de Visée’s Theorbo Works: An I  introductory Study” is highly regarded, as is his research into nineteenth century performance practice.  Dr. Dunn’s extensive summer studies included nine years at the Aspen Music Festival under Oscar Ghiglia  and four summers at the Salzburg Mozarteum. He is a popular adjudicator and competition judge. Dr. Dunn is on the Board of Examiners for the Royal Conservatory of Music Toronto, and currently heads what is considered one of Canada’s top guitar programs at the University of Victoria and the Victoria Conservatory of Music.
Eric Dussault
holds a Bachelor Degree in Performance from Laval University, and a Master Degree from the  Quebec Conservatory, both institutions being located in Quebec city, Canada. After publishing many books  with Les Productions d’OZ at the dawn of the new millennium, he started to work part-time as a music  engraver, before turning full-time for the company in 2004. The scope of his work at Les Productions d’OZ ranges from music typesetting, graphic design, webmaster, production, and also representing the company in various conventions and festivals. Now a share holder in the company, he is getting more closely involved in the different aspects of the management of Les Productions d’OZ and Doberman editions.
Chris Garwood
Chris Garwood began his classical guitar studies at the age of five under the tutelage of Alan Johnston at the MacPhail Center for Music in Minnesota. He has gone on to receive a Bachelor of Music from the University of Southern California where he studied with William Kanengiser as a Trustee Scholarship recipient and a Master of Music from the Yale School of Music where he studied with Benjamin Verdery. Chris is a co-founder of the online music education startup "tonebase" which hosts a curated catalog of instructional videos from the world's best classical guitarists.

Julian Gray
His career over three decades, include critically acclaimed recordings on the Dorian-Sono Luminus label and concert appearances and masterclasses throughout the U.S., Canada and Europe. His work in helping to establish the guitar duo repertoire include his many arrangements for duo with partners Ronald Pearl and Serap Bastepe-Gray and the commissioning and premieres of works by composers such as Roberto Sierra, David Leisner, Gilbert Biberian, Loris Chobanian, William Bland, Oliver Hunt and Benjamin Verdery. His students are frequent top prize winners at major national and international solo guitar, guitar concerto and chamber ensemble competitions and his many former students are members of University, College and Conservatory faculties in the U.S., Europe and Asia. Julian Gray is on the faculties of the Peabody Conservatory of the Johns Hopkins University where he is Chair of the Guitar Department and The Shenandoah Conservatory of the Shenandoah University where he is Professor of Music and Director of Guitar Studies.
Stephen Goss
His music receives hundreds of performances worldwide each year and has been recorded  on over 60 CDs by more than a dozen record labels, including EMI, Decca, Telarc, Virgin Classics, Naxos,  and Deutsche Grammophon. Recent work includes several projects with the guitarist John Williams, who  has recorded and toured Steve’s Guitar Concerto (2012) with the Royal Philharmonic Orchestra. As  composer-in-residence for the Orpheus Sinfonia, Steve wrote the Piano Concerto (2013) and the Concerto for Five (2013). Steve has also had his music performed by The Russian National Orchestra, The China National Symphony Orchestra, The Royal Liverpool Philharmonic Orchestra, The RTÉ National Symphony Orchestra, and the Barcelona Symphony Orchestra. Steve’s Albéniz Concerto (2009) for guitar and orchestra was released to great critical acclaim on EMI Classics in 2010. Steve is Chair of Composition at the University of Surrey, UK, and a Professor of Guitar at the Royal Academy of Music in London. He was born on 2nd February 1964.
Nathaniel Gunod 
is a VP and Senior Acquisitions Editor at Alfred Music. He was the founder and  Artistic Director of the National Guitar Workshop’s Classical Guitar Summit and an instructor of guitar at  the Peabody Conservatory of Music. He toured nationally with the Gunod-Rosser Guitar and Harpsichord  Duo and has been a judge for several competitions, including the GFA, The Beatty Music Scholarship  Competition, and the Peggy and Yale Gordon Competition at Peabody Conservatory. Gunod created and  edits Alfred’s Classical Guitar Masterworks series, which includes editions from Nicholas Goluses (Bach), Marc Teicholz (Sor), Julian Gray (Mertz), Scott Tennant (Tarrega), and Jeffrey McFadden (Coste). The editor of Scott Tennant’s Pumping Nylon, Andrew York’s Jazz for Classical Cats, and Martha Masters’s Total Classical Guitarist, he is the author of Classical Guitar for BeginnersTeach Yourself Classical Guitar, and Beginning Theory for Adults and has published numerous arrangements for guitar. He was the Chief Content Officer at, where he oversaw the creation of over 2,500 online music lessons.
Bryan Johanson 
is an active concert guitarist, composer, and author who has taught at Portland State  University since 1978.  A Professor of Music and past Director of the School of Music, Johanson retired in  January of 2016 to pursue composing, performing and writing.  His articles and reviews on the guitar have  appeared in SoundboardGuitar ReviewAcoustic Guitar and American Lutherie.  Johanson’s compositions  have been published by Guitar Solo Publications, Mel Bay Publications, Doberman-Yppan, Les Productions  d’OZ, and more and his music has been performed and recorded by the Chamber Music Society of Lincoln Center, David Starobin, The Los Angeles Guitar Quartet, David Tanenbaum, and many others.  He has won numerous composition prizes nationally and internationally.  Johanson’s music is recorded extensively and appears on record labels such as Albany, Bridge, EMI, GSP, Gagliano Recording, Naxos and Cube Squared Records.  His compositions have been recorded on Grammy nominated, and Grammy winning albums. Johanson is currently a member of the Oregon Guitar Quartet, which has released seven highly successful recordings.
William Kanengiser
is a noted soloist, chamber musician and professor of the classical guitar.  A longtime  board member of GFA, he is perhaps best known for his stand-up comedy routine at the 2005 Convention  where he infamously imitated 22 guitarists. First Prize Winner in the 1987 Concert Artists Guild and 1981  Toronto Competitions, he has recorded four solo CD’s for the GSP label. As a founding member of the Los  Angeles Guitar Quartet, Mr. Kanengiser has toured worldwide and recorded over a dozen CD’s, many featuring  his arrangements and compositions. LAGQ was awarded a GRAMMYâ for Best Classical Crossover Recording in 2004 for their “LAGQ’s Guitar Heroes” CD. A dedicated masterclass instructor, he is an Associate Professor of Practice at the USC Thornton School of Music, and has taught there since 1983. He was a recipient of the “2011 Dean’s Award for Excellence in Teaching” and the “2013 Dean’s Award for Excellence in Professional Endeavors”. 
Frank Koonce
has directed the guitar program at Arizona State University since 1978 and is internationally acclaimed as a performer, teacher, and writer. He produced an authoritative edition of Bach’s solo lute works and other publications through Mel Bay, Kjos, and Productions d’Oz. Additionally, he recorded Castelnuovo-Tedesco’s “Platero y yo” and is featured in a live concert video with Nikita Koshkin. A founding partner of Soundset Recordings, he is now President of the label. Mr. Koonce has served on the GFA Advisory Board, including two terms as Chair, and was the Pedagogy Form editor for Soundboard for many years.
Kenneth Kwan

Dr Kenneth Kwan is Professor at Xinghai Conservatory of Music (Guangzhou, China) where he established the classical guitar program in 2006. A graduate of SUNY Buffalo, he was a student of the Castellani-Andriaccio Guitar Duo. He has extensive experience in the guitar in China, being member of the Organizing Committee of the Changsha International Guitar Festival (Artistic Director: Xuefei Yang) and the Hong Kong Altamira International Guitar Symposium. He has served on judging panels in competitions all over China and abroad. Kwan is also an internationally known specialist on the music of Chinese American composer Chou Wen-chung, whose collection of books was donated to the Chou Wen-chung Music Research Center which was launched at Xinghai Conservatory in November 2018 and whose Academic Advisory Committee Kwan is an Executive Member of.

 Randy Leff 
is a business lawyer with over 30 years of experience trying and resolving “bet the company”  disputes in both state and federal court.  He brings to the table substantial knowledge and experience for  his business clients, who appreciate his consistently customized, high-quality legal services with his  signature enthusiasm, creativity and passion. By working collaboratively with his clients, he is able to solve  problems creatively and minimize the impact of litigation. Many of Randy’s clients ask him to become a member of their management teams in the role of outside general counsel.  In this capacity, he can further influence the business by bringing his business acumen, entrepreneurial zeal and problem solving skills to the management team. Randy has been playing guitar for more than thirty years. During that period he has had the honor of studying with Peter Yates, John Dearman and Martha Masters.
Christopher Mallett
Christopher Mallett is the co-founder and co-owner of the California Conservatory of Music located in the San Francisco Bay Area where he also teaches students of all ages. As a soloist and a chamber musician, Christopher has performed extensively across America and Asia. Christopher's newest album with Duo Noire on New Focus Recordings, Night Triptych, features world premiere recordings of newly commissioned works by women composers. It was chosen as 2018’s editor's pick on the new music blog I Care if You Listen. Christopher’s involvement in community outreach has led to four residencies with the St. Louis Guitar Society where he has performed in dozens of public schools for thousands of students. Christopher is also the co-artistic director of the Peninsula Guitar Series and is on the faculty of the University of California, Santa Cruz. He received a Master of Music degree from the Yale School of Music and a Bachelor of Music degree from the Oberlin Conservatory of Music. 


Stephen Mattingly
Has been warmly received by audiences as a soloist and founding member of the Tantalus Quartet. As recipient of the Theodore Presser Award, he recorded the complete guitar chamber  works by Franz Schubert. Stephen enjoys a vibrant career as Assistant Professor of Guitar at the University of  Louisville. He is a member of the Kentucky Arts Council Performing Arts Directory and has been featured at  Weill Recital Hall at Carnegie Hall, the Silesian Guitar Autumn in Poland, Panamá Guitar Festival, GFA  Convention, Iserlohn Guitar Symposium in Germany, and the Columbus State Guitar Symposium.


John Olson
is President of the New York City Classical Guitar Society. In this role since 2007, he has revitalized the organization and made it a thriving and central part of the New York guitar community, presenting one of the city’s most successful guitar concert series and producing a highly-regarded monthly series of educational forums. As a musician, his teachers include David Leisner and early music specialist Rick Erickson. He performs regularly in a number of ensembles. Also a scientist, John received his Ph.D. from MIT and has worked in biomedical research for over twenty years. He joined the Board of Trustees in 2014.
Kim Perlak
Kim Perlak is the chair of the guitar department at Berklee College of Music, in Boston, MA. Kim’s versatile approach to the instrument embraces new music, education, and public service. Her performances of new classical works, original and improvised pieces, and collaborations with jazz and traditional players have been featured on National Public Radio, at the Yale Guitar Extravaganza, at Boston GuitarFest, and on five recordings. Kim’s curriculum development for Berklee includes the book Classical Technique for the Modern Guitarist (Berklee Press/ Hal Leonard 2016). Her guitar work in education and with American veterans has been honored by the PBS program “From the Top” as part of their Arts Leadership series, and was recognized by the U.S. House of Representatives. Kim holds degrees from the University of Texas at Austin (’08 DMA), Yale School of Music (’01 MM), and Stetson University (’98 BM). She currently serves on the board of the Boston Classical Guitar Society, and served as the Editor-in-Chief of Soundboard for GFA from 2010-2013. 
Helene Rottenberg 
is a Professor of Music at Madonna University in Livonia, Michigan, and also taught at  the Herb David Guitar Studio in Ann Arbor for 39 years.  She has a MM degree from the University of Michigan  and was a student of the late Argentinean guitarist Manuel Lopez-Ramos.  Helene has performed extensively in  the Midwest- particularly in the Detroit/Ann Arbor area, since 1975. She regularly performs in a flute/guitar  duo, Divertimente, with flutist Susan Lazar and has recently joined with Chicago guitarist Pamela Kimmel to form the Cecilia Guitar Duo. She has been studying Iyengar Yoga since 1976 and has been teaching yoga since 1986. She currently teaches three hatha yoga classes a semester to college students at Madonna University and maintains a private yoga studio in her home.  She credits the yoga practice with allowing her to play the classical guitar pain-free for the past 35 years!
Kami Rowan
is Full Professor of Music at Guilford College. She received her DMA and MM from Shenandoah Conservatory. She received her BM under tutelage of Aaron Shearer at NC School of the Arts. Kami is a respected clinician & performer & current president of the Piedmont Classic Guitar Society. Dr. Rowan sits on the board of the Aaron Shearer Foundation, which hosts an annual summer institute in Zion National Park. Kami is also Director of the Guitar Program at Eastern Music Festival. Dr. Rowan worked collaboratively to create an arts magnet high school & curriculum. She received her teaching license from the University of NC at Greensboro. Kami will direct the US Guitar Orchestra in Carnegie Hall followed by a tour of France in summer, 2019.


James Stroud

Jim Stroud completed his bachelor's degree in guitar performance in 1982 and completed his Master's degree in 1984. Jim entered the business world in 1984 and continues to run his business today full time with UBS in Hudson, Ohio as president of Stroud Wealth Partners. Jim continues to sponsor the James Stroud classical guitar competition at Oberlin conservatory for the past 15 years and offers one of the largest prize awards of any competition held in the US for guitarists enrolled at the university level exclusively. Past prize winners have received full scholarships at some of the finest guitar programs in the US including Peabody, Curtis, Eastman, Florida State, Oberlin, and CIM. 

Jim and his wife have 3 children and live in Hudson, Ohio and Whitefish, Montana. 


Marc Teicholz
won first prize in the 1989 International Guitar Foundation of America competition. He has  toured extensively throughout the United States, Canada, Europe and Russia, receiving critical acclaim for his  recitals and master classes. Teicholz also has toured Southeast Asia under the auspices of the U.S.I.A. Artistic  Ambassador program. He has recorded for Naxos and Sugo records and his solo CD of waltzes (“Valseana”)  recorded on vintage instruments with GSI was named by Acoustic Magazine as one of the 10 best CDs of 2011.  Teicholz has published an edition of Fernando Sor with the Alfred Music Company and of Ernesto Nazareth with Les Productions D'Oz. He graduated magna cum laude from Yale University and received an M.M. from the Yale School of Music and a J.D. from the Boalt School of Law at the University of California–Berkeley. He is on the faculties of California State University, East Bay and the San Francisco Conservatory of Music.
Sonia Wilczewski
Sonia Wilczewski, Esq. is an immigration attorney focusing on employment-based cases with particular enthusiasm in representing artists and musicians for the past 20 years.  As part of the integrative law movement, she is a contributing author of "Lawyers as Changemakers" published by the American Bar Association.  In addition to law, she has an extensive background in dance and therapy, and has taught numerous workshops in alignment, breathwork,  rehabilitative movement and served as an Adjunct Professor of Dance Injury Prevention at New World School of the Arts for five years.  Her grandfather was a guitarist who instilled in her a love of the instrument at a young age. While living in Florida, she was a member of the Florida Guitar Foundation.  She currently lives in Los Angeles and when not practicing law, is a part-time student seeking a music degree.

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