- Concertmaster, Milwaukee Youth Symphony III, Milwaukee, Wisconsin – 1981-1983
- Asst. Concertmaster, Classical Symphony Orchestra, Chicago, Illinois – 1985
- Asst. Principal, Roosevelt University Orchestra, Chicago, Illinois – 1986 to 1988
- Concert Soloist, New England Youth Ensemble, U.S./Canadian Tour – 1988
- Guest Performer, Carnegie Hall, New England Youth Ensemble – 1989
- Invitational Performances before the Governor and First Lady of Puerto Rico – 1989, 1990, 1991
- Invitational Performances for United States Government officials of the International Monetary Fund – 1991
- Guest Soloist, House of Writers cultural program, Moscow, Russia – 1993
- Guest Soloist, Youth to Youth Conference, Riga, Republic of Latvia – 1993
- Concert Tour, Solo performances in major cities, Australia – 1994, 2003, 2004
- Guest Soloist, General Conference Session, Utrecht, The Netherlands – 1995
- Honor Performance before the Governor of Arkansas – 1997
- Concert Tour, Solo performances in eight major cities, Brazil – 1997, 1998
- Honor Performance before David Kilgour, Secretary of State of Canada – 2001
- Gardner-Webb University, adjunct professor of music – 1999-2003
- Guest Performer, National Religious Broadcasters Convention – 2001, 2005
- Concert Tour: 44 concerts across Australia and New Zealand, September-October, 20075
- Concert Tour: Solo performances in Romania, Austria, Czech Republic and Ukraine as part of a Missionary Concert Tour with the Baptist Missionary Association of America, June, 2007
- Concert Tour: Solo performances in Zhytomir, Kiev, Poltava, Kharkov, Donetsk, Mariupal, Zaporozhye, Dnepropetrovsk, Cherkassy as part of a Missionary Concert Tour with the Baptist Missionary Association of America, August, 2009
- Following graduation from Loyola University of Chicago, Jaime was accepted into the University Of Illinois Medical School. But Jaime chose to leave medical school for a life of service dedicated to his music ministry.