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• Masterclasses for AOTOS (British Association of Teachers of Singing) in Manchester, England, Summer 2008.

• 12th annual Neil Semer Vocal Institute in Coesfeld and Aub, Germany in July-August, 2008.

• Masterclasses for AICI (Italian Voice Teachers Association) in Florence, Italy in May, 2008.

• Masterclasses in Australia for Opera Australia in Sydney, for WAAPA in Perth, and Opera Queensland and Queensland Conservatorium in Brisbane in March-April, 2008.

• 11th annual Neil Semer Vocal Institute in Coesfeld and Aub, Germany in July-August, 2007.

• Masterclasses for San Diego NATS and Cal. State Fullerton in Fall 2006.

• 10th annual Neil Semer Vocal Institute in Coesfeld and Aub, Germany in July-August, 2006.

• Masterclasses for the 49th NATS Conference in Minneapolis, Minnesota in June, 2006.

• Masterclasses for the 3rd annual Classical Singer Magazine Convention in Philadelphia in May, 2006.

• Keynote presenter for the AICI Convention (Italian Voice Teachers Association) in Florence, Italy in January 2006.

• Masterclass for Wheaton College in November, 2005

• Masterclass for NYSTA (New York Singing Teacher's Association) on "Ring, Ping and the Singer's Formant" in October, 2005.

• 9th Annual Neil Semer Vocal Institute in Coesfeld and Aub, Germany in summer of 2005.

• Masterclasses for the 2nd annual Classical Singer Magazine Convention in New York City in May 2005.

• Masterclass for the Wurzburg Hochschule for Music in Wurzburg, Germany in May 2005.

• Masterclass for San Francisco NATS in September 2004

• 8th Annual Neil Semer Vocal Institute in Coesfeld and Aub, Germany in summer of 2004.

• Keynote speaker and master clinician for the Australian National Association of Teachers of Singing (ANATS) National Convention in Sydney, Australia in July, 2004. Masterclasses for the Queensland Conservatorium in Brisbane and the University of Newcastle Conservatorium.

• Masterclasses for the 1st annual Classical Singer Magazine Convention in Hartford, CT in May, 2004.

• Masterclass for the New York Singing Teacher's Association's Pedagogy Course in May 2004.

• Masterclasses for Los Angeles NATS and California State University at Fullerton in February 2004.

• Masterclass for the University of Miami's Summer Program in Salzburg, Austria in August 2003.

• 7th annual Neil Semer Summer Vocal Institute in Coesfeld and Aub, Germany in Summer 2003.

• Masterclass on "21st Century Application of the Lamperti Principles" at Westminster Choir College for their Master Teachers Series in July, 2003.

• Masterclass for NATS Summer Workshop, Princeton, New Jersey in June 2003.

• Masterclasses for the Hamburger Konservatorium, Hamburg, Germany and Brigham Young University in Provo, Utah in April 2003

• Masterclass for the University of Miami, January 2003

• Masterclasses in Sydney and Brisbane, Australia for Australian NATS and Queensland Conservatorium in Fall 2002

• 6th annual Neil Semer Summer Vocal Institute in Coesfeld and Aub, Germany in Summer 2002

• Masterclasses for the German Voice Teachers Association's National Congress in Hamburg, and the Hannover Hochschule in Hannover, Germany, the Swiss Voice Teachers Association in Zurich, Switzerland, the Mid-Atlantic NATS Regional Conference and judge for the NATSAA Competition in Virginia in Spring, 2002

• Masterclasses for Michigan NATS, Grand Valley State University, Hope College and NATS Central Region Conference in Fall 2001.

• Masterclasses for the Fifth International Congress of Voice Teachers in Helsinki, Finland and NATS Eastern Region Conference in August. Fourth annual Neil Semer Summer Vocal Institute in Coesfeld and Aub, Germany in July 2001.

• Masterclasses for California State University at Fullerton, University of Tulsa, Brigham Young University, Salt Lake City NATS, and Univ. of Windsor. Judge for the McKnight Fellowship and Masterclass for the McPhail Center for the Arts in Minneapolis in Spring 2001.

• Masterclass for NATS Winter Workshop in New York City, January 2001

• Masterclasses for the Royal Academy of Music and Associaton of English Singers and Speakers, London, England October 2000

• Masterclass at Music Theatre Bavaria, Germany in July 2000 and University of Tulsa in March 2000.

• Masterclass for NATS Winter Workshop in Miami in January, 2000.

• Masterclasses in May '99 for the 4th International Care of the Professional Voice Symposium in Banff, Canada.

• Taught the Ensemble Program (their apprentice program for opera singers) of the Canadian Opera Company in Toronto from 1995-1998.

• Taught at the Stella School in Hamburg, Germany in March and July, 1999

• Teaching regularly in Berlin, Dresden, Essen and Stuttgart, Germany.

• In 1996, for German Voice Teachers Association, gave a three day Workshop, followed by a Masterclass at their annual Convention in Wurzburg.

• Masterclass for the national convention of the National Association of Teachers of Singing (NATS) in Seattle, WA, July 1995

• Voice faculty of the American Institute for Musical Studies (AIMS) in Graz, Austria, summer 1995

• Masterclass for the Canadian Voice Care Foundation in October 1996 in Toronto and for NATS chapters in Milwaukee, WI, and Orlando and West Palm Beach, FL.

• Taught for the Cameron Macintosh Organization from 1993-1997 for the Broadway Production of Miss Saigon.