Salt Lake City, Utah, U.S.A.

- 1998 -

The Violin Society of America

Certificate for Workmanship for viola bow at the 13th International Competition and Exhibition of the Violin Society of America (VSA), in Salt Lake City, Utah, U.S.A.

Mittenwald, Germany

- 1997 -

International Violin Making Competition

Silver medal for violin bow and bronze medal for cello bow at the International Violin Making Competition in Mittenwald, Germany

Albuquerque, New Mexico, U.S.A.

- 1996 -

The Violin Society of America

Gold Medal for cello bow and certificate for workmanship for violin bow and certificate for workmanship for bass bow at the 12th International Competition and Exhibition of the Violin Society of America (VSA) in Albuquerque, New Mexico, U.S.A.

Oakland, California, U.S.A.

- 1994 -

The Violin Society of America

Certificate for workmanship for viola bow and certificate for workmanship for cello bow at the 11th International Competition and Exhibition of the Violin Society of America (VSA) in Oakland, California, U.S.A.

Mittenwald, Germany

- 1993 -

International Violin Making Competition

Gold medal for viola bow at International Violin Making Competition in Mittenwald, Germany

Verband der Deutschen Geigenbauer und Bogenmacher

"Best bow maker", honorary certificate for viola bow, special prize given by the German association of violin and bow makers

Manchester, UK

- 1992 -

Manchester International Cello Festival

Silver medal for cello bow at the Manchester International Cello Festival of the Royal Northern College of Music, Manchester, UK

Carlisle, Pennsylvania, U.S.A.

- 1992 -

The Violin Society of America

Certificate for Workmanship for violin bow, viola bow, cello bow and bass bow at the 10th International Competition and Exhibition of the Violin Society of America (VSA) in Carlisle, Pennsylvania, U.S.A.

Albuquerque, New Mexico, U.S.A.

- 1990 -

The Violin Society of America

Certificate for violin bow playability and certificate for cello bow playability at the 9th International Competition and Exhibition of The Violin Society of America (VSA) in Albuquerque, New Mexico, U.S.A