Elisabeth Adkins


After 31 years as Associate Concertmaster of the National Symphony in Washington, D.C., Elisabeth Adkins joined the Texas Christian University faculty in 2014. She serves as Professor of Violin at TCU and Concertmaster of the Richardson Symphony Orchestra and the Corpus Christi Symphony Orchestra. She has appeared as concerto soloist for the Baltimore Symphony, Dallas Symphony, Maryland Symphony and Seattle Symphony, as well as numerous appearances with the National Symphony. She has performed concertos with the Fort Worth Youth Orchestra and the TCU Symphony, both under the direction of Germán Gutiérrez, and with the Corpus Christi Symphony and the Sherman Symphony. She performs in recital with her husband, pianist Edward Newman; the duo has presented concerts at the Kennedy Center and the National Gallery, and was featured as the inaugural program of public radio’s Front Row Washington. The Adkins/Newman Duo are in residence at the Wintergreen Summer Festival and Academy. A noted teacher and chamber music coach, Dr. Adkins gives master classes and clinics, and is in demand for her expertise in preparing musicians for professional orchestra auditions​

Songyoung Kim

Associate Concertmaster

Born in Seoul, Korea, Dr. Songyoung Kim holds a Bachelor of Music from Seoul National University, Master of Music from Indiana University Jacobs School of Music and Doctor of Musical Arts from the University of North Texas. She was in the Bucheon Philharmonic Orchestra for four years and performed with orchestras around the United States. As a chamber musician, she played for the Liberace String Quartet, Darius Trio and string ensembles. Dr. Kim is the co-founder of Amadeus Music Academy and has served as an associate concertmaster of the Richardson Symphony Orchestra. She maintains a private studio in Plano, TX, and her students have won numerous competitions around the United States.

Linda Proch

Assistant Concertmaster

Linda Proch has been a member of the RSO since 1978. A native Dallasite, she earned a Bachelor of Music Education from Texas Christian University, and did additional violin study with Paul Rolland at the University of Illinois. In addition, she has been a member of the Lewisville Lakes Symphony since 1993. She was a founding member of the Plano Symphony (Plano Chamber Orchestra) in 1983, where she played for 18 years. She has also performed in the Wichita Falls Symphony, Waco Symphony, and other regional orchestras. Linda played in a string quartet from First United Methodist Church Richardson and accompanied the chancel choir on its 2015 tour in Germany, Austria and Czech Republic, as well as their 2007 tour of the British Isles. She served as concertmaster on the Sandi Patty Christmas album recorded in 2009. She is the first violinist in the Richardson Symphony String Quartet and is a busy free-lance musician in the metroplex. Linda served as RSO librarian for 26 years. You can see Linda perform with the Singapore Slingers, Dallas’ premier fox trot orchestra, at such venues as the Kessler Theatre and the Pocket Sandwich Theatre

Seowon Lee

Principal Second Violin

Seowon has participated in many competitions throughout Korea. She won First Prize in the Korean Symphony Orchestra Competition and was Bronze-Medalist in the Korea- Germany Brahms Association Competition. She also won the Baroque Ensemble Chamber Music Competition. Seowon has soloed with the Jinju Youth Orchestra, Kyung-Nam Arts High School Orchestra, and Ewha Women’s University Orchestra. She has performed in music festivals in the United States and Korea and participated in master classes with Miriam Fried, Paul Biss, Alex Kerr, Kirsten Yon, and Lin He. Ms. Lee received her bachelor’s degree from Ewha Women’s University, where she was concertmaster of the Ewha Symphony. She then came to the United States where she received her master’s degree and performance diploma from the Indiana University Jacobs School of Music studying with Ik-Hwan Bae. She was the recipient of Artistic Excellence Awards in 2010-2013 at Indiana University. She is currently pursuing a doctor of musical arts degree at the University of North Texas where she is a member of the Bancroft String Quartet. Ms. Lee is a student of Philip Lewis.

Susan Dubois

Principal Viola

Hailed by The Strad as “an impressive protagonist proclaiming a magnetic, outgoing personality, a lustrous, vibrant tone, and excellent intonation,” violist Susan Dubois is considered one of the leading young artist-teachers of viola.  From New York’s Carnegie Hall to  Argentina’s Teatro Colón, Dubois has won the hearts of audiences worldwide with her commanding performances.

Chosen as the sole viola winner of Artist International’s 23rd Annual Auditions, Dubois was presented in her solo New York Recital Debut at Carnegie Recital Hall.  She was also a prizewinner and recitalist at the Lionel Tertis International Viola Competition in the UK.  Dubois has judged major competitions such as the Corpus Christi International Competition for Piano and Strings and the Primrose International Viola Competition.

Dubois holds a Bachelor of Music, magna cum laude, and Master of Music from the University of Southern California, where she studied with Donald McInnes.  A former teaching assistant of Karen Tuttle at The Juilliard School, Dubois earned the Doctor of Musical Arts and was awarded the William Schuman Prize for outstanding achievement and leadership in Music.

Dubois has extensive experience as a recitalist and chamber musician.  She has appeared at the Marlboro and La Jolla music festivals with notable artists: Lynn Harrell, David Soyer, David Finkel, Donald Weilerstein, Menahem Pressler, and Atar Arad.

She is a member of the artist faculty and string area coordinator at the University of North Texas and serves on the summer faculty of the International Festival Institute at Round Top and the Green Mountain Chamber Music Festival.

Steven Juarez

Associate Principal Viola

Music studies have enthusiastically taken him from Dallas to New York to Russia and many places in between. The New Conservatory of Dallas, The Institute for Strings, The National Symphony Orchestra’ Summer Music Institute, Meadows Symphony Orchestra, and the Peabody Symphony Orchestra are just a few of the orchestra’s that Steven has been a part of. Steven graduated from the Booker T. Washington High School for the Performing and Visual Arts in Dallas where he won the Dallas ISD Concerto Competition and his chamber quartet won Chamber Music International’s High School Division before graduating. Steven has studied with Kay Gardner, Ellen Rose, and Victoria Chiang. In his spare time, he enjoys sports, traveling and spending time with his family.

Eugene Osadchy

Principal Cello

Eugene Osadchy is hailed as having “the most refined and balanced string playing” by the New York Times and has been called “a paragon of Russian élan” by the Vancouver Sun.

Currently Professor of Cello at the University of North Texas, Eugene regularly performs and gives master classes throughout Canada, the U.S., Mexico, Europe, Japan, South Korea, Taiwan, and South Africa. He has performed at Carnegie Hall, the Alice Tully Hall at the Lincoln Center, and the Glenn Gould Studio in Toronto. He also makes frequent appearances at the Bargemusic series in New York and the Autumn Classic series in Anchorage.

Other musical credits include recordings with the CBC Radio Orchestra which have received numerous Juno awards. He has composed two film scores and has several CD’s on the Melodia label featuring his own compositions and arrangements. Mr. Osadchy has arranged more than 100 compositions for various cello ensembles. Since 2000, he has presented his annual Summer Cello Clinic in Dallas, TX. He won critical acclaim for his recently released CD “Russian Romances” with pianist Anastasia Markina. Second CD of German Lieder “Nacht und Traume” (with Anastasia Markina, piano) was released in 2014.

James Hayden

Principal Bass

Leslie Daniel Newman

Principal Flute

Leslie Daniel Newman serves as principal flute with the Richardson Symphony and second flute with the Shreveport Symphony. She has also performed with the Abilene Philharmonic, South Arkansas Symphony, and Marshall Symphony, and her international performances include recitals in the Philippines and wind symphony performances in Austria, the Czech Republic, England, Ireland and Scotland. Previous solo performances include the premiere of Mike Mower’s Concerto for Flute and Wind Orchestra with the Texas A&M Wind Symphony, as a featured artist with the Montgomery County Choral Society, and performance with the UNT Symphony Orchestra as a winner of the UNT Concerto Competition. She will make her solo debut with the Richardson Symphony this spring.

Leslie holds a bachelor and master of music summa cum laude from the University of North Texas and a bachelor of science in biology and genetics cum laude from Texas A&M University. Her primary flute teachers are Mary Karen Clardy, Leone Buyse, and Kathy Daniel. In the DFW area, she is an active freelance flutist and maintains a private flute studio.

Woody Rowand

Principal Oboe

Kwanghoon Yi

Principal Clarinet

Kwanghoon holds a Bachelor’s Degree in Clarinet Performance from Seoul National University and a Performer’s Diploma and Artist’s Diploma from the Indiana University Jacobs School of Music. He served as acting Principal Clarinetist of the Bucheon Philharmonic Orchestra in Korea and appeared frequently as an orchestral clarinetist at the Fort Wayne Symphony Orchestra and the Marion Philharmonic Orchestra. A First Prize winner of the Dong-Ah Il Bo International Competition, Kwanghoon performed extensively as a soloist with the Bucheon Philharmonic Orchestra, the Seoul Symphony Orchestra, the Aquinas Orchestra, the Dallas Korean Chamber Orchestra, and the Indiana University Clarinet Choir.
An avid chamber musician, he appeared as a guest chamber artist at the Garth Newel Music Center in Virginia and performed with the Liberace String Quartet of the University of North Texas. He also founded the Darius Trio. He is a devoted educator and his students have won competitions in the USA and abroad.

He is principal clarinetist at the RSO and a chairman of the Dallas Symphonic Festival Winds Division, presented by Dallas Music Teachers Association.

Marty Spake

Principal Bassoon

Marty Spake served as principal bassoon of the RSO from 2005-2010 and is happy to return. Originally from Auburn, Indiana, he received a Bachelor of Arts degree in instrumental music education from Arizona State University and a Master of Music in bassoon performance from Southern Methodist University. Marty has been a member of the East Texas Symphony (Tyler) and the Dallas Winds since 1994. He has appeared on 13 CD releases of the Dallas Winds. In 2011, he joined the Wichita Falls Symphony. Marty has played with many ensembles in the DFW area over the years including the Dallas Symphony, six seasons with the Dallas Opera Orchestra, and Texas Winds Musical Outreach where he has performed hundreds of concerts in schools and nursing homes. Marty is a certified Texas music educator, a member of TMEA, and has been a full-time elementary string orchestra teacher in the Dallas Independent School district since 2002. Marty loves Texas and especially the DFW area for the rich opportunity it offers musicians and artists to perform and thrive.

Ruben Perez

Principal Horn

Rubén Pérez Alonso is a Graduate Teaching Fellow at the University of North Texas College of Music, completing his DMA in Horn Performance. He holds degrees from Conservatorium Maastricht (The Netherlands, M.M.) and Musikene (Spain, B.M.). His primary teachers have been Rodolfo Epelde, Will Sanders, William Scharnberg, and Stacie Mickens. Rubén serves as Principal Horn with the RSO and is a member of Center Stage Brass.

Previously, he held principal positions with Orquesta Sinfónica de Gijón, Basque National Youth Orchestra, Orquesta Sinfónica Ciudad de León, Shen Yun Performing Arts, Ópera de Madrid, MMCJ (Tokyo), and American Wind Symphony Orchestra. 

He performed in the Aberdeen International Youth Festival (Scotland) and at Barbican Center (London), Minato Mirai Hall (Yokohama), Lincoln Center (New York), Kennedy Center (Washington D.C.), Auditorio Nacional and Teatro Real (Madrid) amongst others. At UNT, he played with the Wind Symphony, Symphony Orchestra, and was a member of the UNT Center Brass Quintet. As a UNT Concerto Competition winner, he was a soloist with the UNT Concert Orchestra.

John Heinen

Principal Trumpet

John Heinen received his Bachelor’s Degree in music from Texas Christian University and his Master’s Degree in music from Yale University. His passion for music has taken him all over the world, including multiple trips to Asia and Europe as well as performing with world renowned musicians and conductors. He enjoys reading, skeet shooting, and spending time with his wife and two young daughters.

Darrell Hoffman

Principal Trombone

Darrell was born and raised in Waco, TX and moved to Dallas in 1991. He received his Associate of Arts degree in 1982 from McLennan Community College in Waco, TX, then a Bachelor of Music Performance in 1985 from the University of Texas at Arlington, then a Master of Music Performance in 1990 from Baylor University in Waco, TX. Since moving to the Dallas area, Darrell has been a freelance musician and has played with organizations such as the Garland Summer Musicals, the New Philharmonic Orchestra of Irving, the New Texas Symphony Orchestra, the North Dallas Trombone Choir and the Richardson Symphony Orchestra.

Jason Wallace

Principal Tuba

Jason Wallace is a native of DFW. He is a graduate of Texas A&M University-Commerce where he studied tuba performance with Ed Jones. He has been a finalist in the Leonard Falcone International solo competition and the International Tuba Euphonium Association solo competition. For almost 20 years, Mr. Wallace has performed with the Dallas Winds, the Lewisville Lake Symphony, the East Texas Symphony, and the Dallas Opera Orchestra. Mr. Wallace was a member of the RSO from 2002-2010 and is excited to be back. Mr. Wallace has also been a band director in Garland, Rockwall, and Plano. He and his wife Kara are band directors in Commerce, Texas. He enjoys spending time with friends and family, as well as a variety of outdoor activities.

Steven Kimple

Principal Timpani

Steven Kimple came to Plano, TX in 1968. It was then that he began studying drums with Jack Iden. In 1976 he began studying percussion with Douglas Howard. He studied percussion with Allen Otte at the University of Cincinnati College Conservatory of Music where he received a Bachelor of Music degree. He studied percussion at SMU with Douglas Howard and Kalman Cherry. He later studied percussion with Robert Schietroma at UNT where he received a Master of Music degree. Steven has attended timpani seminars conducted by Cloyd Duff, Vic Firth, Mark Yancich, Salvatore Rabbio, Tom Freer, Tim Adams, and Jim Atwood. Steven joined the RSO in 1983. Mr. Kimple has recorded with the Dallas Winds. He also enjoys collecting and restoring percussion instruments.

David Elias

Principal Percussion

David earned his Bachelor of Fine Arts in music from Steven F. Austin. He toured Europe with the New York Harlem Opera Ensemble performing “Porgy & Bess.” He moved to Dallas to pursue a Masters in Arts Administration from the University of North Texas. He has worked as a performer, in management, or as a lighting/audio technician with the Ft. Worth Opera, Denton Chamber Orchestra, Richardson Chamber Music Society, Unity Church of Dallas, Lewisville Lake Symphony, Dallas Symphony Orchestra, Richardson Symphony, Texas Chamber Orchestra, Flower Mound Symphony, and Dallas Wind Symphony. He balances an active performance/tech career and has shared the stage with Chicago, Amy Grant, Frank Sinatra Jr, The Fifth Dimensions, Jewel, ELO, Phil Collins, Willie Nelson, Kenny G, The Rolling Stones, Van Cliburn, Bruce Hornsby, Rich Little, and more. David also maintains a freelance career in sound reinforcement and lighting design.

Cynthia Shockley

Principal Harp

Cynthia Shockley studied harp under Charles Kleinsteuber, as well as orchestra performance and conducting under Anshel Brusilow at the University of North Texas. She began her professional orchestra career as principal harpist of the Fort Worth Symphony Orchestra, with whom she performed for 7 years.

Currently, Ms. Shockley teaches middle school orchestra at McKamy Middle School in Flower Mound. She also performs regularly with the Richardson Symphony Orchestra, Lyric Stage Musicals, and Octavia Harp Ensemble.