Lynnette Seah was the acting Leader at the inception of the SSO in January 1979, and is currently its Co-Concertmaster. As a soloist, she has performed with the SSO and several orchestras in Europe including Josef Suk's Fantasie with Zurich Symphony Orchestra in the Tonhalle Zurich, the Mozart Violin Concerto in G major with the Orebro Chamber Orchestra in Sweden, and the Sibelius Violin Concerto with the Teplice Symphony Orchestra and Finnish conductor Ralf Sjobel in Czechoslovakia.
Lynnette began her formal music training on the piano with her mother when she was five and started the violin a year later with Goh Soon Tioe and later with Alphonso Anthony. She won scholarships including one to the National Music Camp at Interlochen, Michigan USA when she was twelve where she was awarded the Outstanding Young Musicians Award for being the youngest member of the World Youth Orchestra there. At the Australia National Music Camp in Adelaide, she was appointed at the age of 15 as Associate Leader of the Bishop Symphony Orchestra. That same year she represented Singapore in the Southeast Asian Violin Competition, and won a scholarship to study at the Hannover Hochschule for Music in Germany the following year. She has worked with renowned violin teachers including David Mankowitz (Toronto, Canada), Friedrich von Hausegger (Hannover, Germany), Karel Sneberger (Prague, Czech Republic), Yfrah Neaman (London) and Dorothy DeLay (New York).
In June 1995, she was invited to perform at the Bergen International Music Festival in Norway where she gave a recital. In April 1996 she was invited to represent Singapore in the World Philharmonic Orchestra in Bangkok, Thailand for the King's 50th Anniversary of his ascension under the baton of Myung Whun Chung. Lynnette gave the world premiere of Singaporean composer Bernard Tan's Violin Concerto at the SSO 27th Anniversary Concert in 2006. She was the Guest Leader for Macau Symphony for their 2007 China concert tour.
Lynnette is also the leader and founder of the Jade Quartet which has performed in Shanghai and Hangzhou (2000) and for many visiting heads of States at the Istana for the President and Prime Minister of Singapore, including the Emperor and Empress of Japan (2006) and the Prime Minister of Australia (2008).
In 2006 Lynnette Seah was presented the Cultural Medallion, Singapore's highest arts award, by President S R Nathan. In March 2014 she was honoured with the Singapore Women’s Hall of Fame Award. In 2009 her album ‘A Musical Odyssey’ was released. Lynnette performs on a J.B. Guadagnini of Milan, c. 1750, donated to the Singapore Symphony Group by the National Arts Council, Singapore, with the support of Far East Organization and Lee Foundation.