International & National Projects, Management
- 1982 - 1985 Series of concerts with world stars, Tübingen, Germany, Assistant
- 1983 1st Festival of Student Orchestras Baden-Württemberg, Tübingen, Germany, Organizer
- 1985 "Musikatlas Baden-Württemberg", Empiric analysis, Project Assistant
- 1986 1st Tonkünstlerfest Baden-Württemberg, 250 concerts in 56 cities of BW-Province, Germany, Vice Project Director
- 1987 50th German-French Consultations, Bruchsal, Germany, Organizer Music
- 1988 25 years of German-French Contract of Friendship, Ludwigsburg, Germany, Organizer Music
- 1989 Concert Tour with Ludwig Güttler and German-French Chamber Orchestra in France & Germany, Tour Manager
- 1989 Concerts in Germany & France with the Symphony Orchestra Orchesterverein Stuttgart until 1996. Organizer and tour manager
- 199o 1st International Competition for Vocal Ensembles, Korntal, Germany, Founder & Director
- 199o CD-Production "English Choral Music after 1900" Studio Vocale Karlsruhe and German-French Chamber Orchestra, Manager
- 199o Organizer of a concert tour to the "World Choral Festival" in Seoul, Korea with Studio Vocale Karlsruhe, Tourmanager
- 1991 Concerts and CD-Production with Ludwig Güttler & Virtuosi Saxoniae Chamber Orchestra, Germany, Organizing Committee
- 1992 Concerts, TV-, Radio- and CD-Productions "Music in the monasteries of Upper Svabia", Baden-Baden, Germany, Committee
- 1995 1st International Choir Festival of Sacred Music,Rottenburg, Germany, Founder & Director
- 1997 Concerts and CD-Production "Mtiebi", Choral Music from Georgia, Tbilisi, Georgia, Co-Producer
- 1998 "Franz-Anton-Hoffmeister Society", Rottenburg, Germany, Organizer, Historical research, Concerts, TV-, Radio-, CD-Prod.
- 1998 2nd International Choir Festival of Sacred Music, Rottenburg, Germany, Organization Committee
- 1998 TV-Show "Alle Jahre wieder", Christmas with the Federal President, Weingarten, Germany, ZDF-Organizing Committee
- 1998 Concert & CD-Production "Verdi and the Banda", State Opera Stuttgart, Organization Committee
- 1999 CD-Production "Swanlake" (Tschaikowsky) with Stuttgart State Orchestra, Co-Producer
- 1999 Concerts, TV- and CD-Production "Der Schatzgräber" , Lieder of Mozart and Hoffmeister, C. Hauptmann, Bass, Co-Producer
- 2ooo 1st World Choir Games, Linz, Austria, Organization Committee
- 2oo2 2nd World Choir Games, Busan, Korea, Project Director
- 2oo3 Open Air Concert with Sir Elton John, Darmstadt, Germany, Director Organization
- 2oo3 2nd Darmstädter Residenzfestspiele and Konzertchor Darmstadt, Darmstadt, Germany, Director Organization.
- 2oo4 3rd World Choir Games, Bremen, Germany, Organization Committee
- 2oo5 Concert tours with Konzertchor Darmstadt to Southkorea (2005), Northkorea (2006) & Indonesia (2007), Organizer
- 2oo6 4th World Choir Games, Xiamen, China, Organization Committee
- 2oo7 1st Asian Choir Games, Jakarta, Indonesia, Project Director
- 2oo8 6th Young Singers Choral Festival, Kuala Lumpur, Malaysia, Director Competition
- 2oo8 5th World Choir Games, Graz, Austria, Organization Committee
- 2oo9 National Masterclass of the Philippine Choral Directors Association (PCDA), Baguio, Speaker
- 2oo9 The Malaysian Choral Eisteddfod VII, Kuala Lumpur, Malaysia, Director Competition
- 2oo9 1st World Choir Championships, Gyeongnam Province, Korea, Project Director
- 2o1o CULTUREFEST of the German Schools in Southeast Asia, Philippines, Organizing Committee
- 2o1o 8th Malaysian Choral Eisteddfod, Kuala Lumpur, Malaysia, Director Competition
- 2o1o 2nd European Union Choir Competition, Manila, Philippines, Jury Member
- 2o1o National Convention of the Philippine Choral Directors Association (PCDA), Davao, Philippines, Speaker
- 2o1o 6th World Choir Games, Shaoxing, China, Organization Committee
- 2o1o Voices in Harmony Choir Competition, Manila, Philippines, Jury Member
- 2o11 1st Vietnam International Choir Competition, Hoi An, Project Director
- 2o11 1st World Choir Championships for Youth, Graz, Austria, Organizing Committee
- 2o12 Ars Choralis International Symposium, Zagreb, Croatia, Speaker
- 2o12 7th World Choir Games, Cincinnati, USA, Organizing Committee
- 2o12 2nd Vietnam International Choir Competition, Hue, Project Director
- 2o13 3rd Vietnam International Choir Competition, Hoi An, Project Director
- 2o13 3rd Asia Pacific Choir Games, Manado, Indonesia, Project Director
- 2o13 Sing´n´Joy Manila, Philippine International Choir Competition, Manila, Philippines, Project Director
- 2o14 8th World Choir Games, Riga, Latvia, Organizing Committee
- 2o15 3rd Vietnam International Choir Competition, Hoi An, Project Director
- 2o15 2nd European Choir Games, Magdeburg, Germany, Organizing Committee
- 2o16 Sing`n`Joy Provo 2016, Provo, USA, Project Director
- 2o16 9th World Choir Games, Sochi, Russia, Organizing Committee
- 2o16 1st Lanna International Choir Competition, Chiang Mai, Thailand, Organizing Committee
- 2o16 Golden State Choral Trophy, Monterey, California, USA, Project Director
- 2o17 Sing`n`Joy Princeton 2017, Princeton, New Jersey, USA, Project Director
- 2o17 5th Vietnam International Choir Competition, Hoi An, Project Director
- 2o17 4th Asia Pacific Choir Games, Colombo, Sri Lanka, Project Director
- 2o18 Sing´n´Pray Kobe 2018, Kobe, Japan, Project Director
- 2o18 10th World Choir Games, Tshwane, South Africa, Organizing Committee
- 2o19 Sing`n`Joy Princeton 2019, Princeton, New Jersey, USA, Senior Adviser
- 2o19 Opening of the INTERKULTUR Center for Culture & Tourism Development, Tagbilaran, Bohol, Philippines, Senior Partner
- 2o19 6th Vietnam International Choir Competition, Hoi An, Senior Adviser
- 2o2o 2nd Sing´n´Pray Kobe 2020, Kobe, Japan, Senior Adviser
- 2o21 11th World Choir Games, Flanders, Belgium, Organizing Committee
- 2o23 12th World Choir Games, Gangneung, Korea, Organizing Committee
- 2o24 13th World Choir Games, Auckland, New Zealand, Organizing Committee
- 2o24 Sing´n´Joy Bohol 2024, Tagbilaran, Philippines, Project Development
International & National Projects, Singer
- 1978-1980 Member of the choir Philharmonischer Chor Schwäbisch-Gmünd, Conductor Hubert Beck
- 1982-1985 Member of the choir Camerata Vocalis, Chamber choir of the University of Tübingen, Conductor Alexander Sumski, TV-, Radio- and CD-Productions, Concerts and Tours to Italy, Greese, Switzerland, Czechoslovakia, Bulgaria, France and Cyprus
- 1985-1990 Member of the choir Studio Vocale Karlsruhe, Conductor Werner Pfaff, Concerts and Tours to Brazil, Spain, Russia, Italy and Korea, CD-Productions, Concerts (Bach: St. John Passion) with guest conductor Ludwig Güttler, Participation in numerous international choir festivals and in competitions such as Gorizia, Italy 1987 (Entire Winner), Tolosa, Spain 1988 (1st Prize) and Marktoberdorf 1989 (1st Prize). 2019 Project "Female composers from America" with concerts in South Germany
- 1987 Concerts (Brahms: Ein Deutsches Requiem) in Germany and France with the Landesjugendchor Baden-Württemberg conducted by Helmuth Rilling
- 1993-2000 Member of the Opera Chorus (Extra Chor) of the State Opera Stuttgart, some hundreds of opera performances such as Götterdämmerung and Meistersinger (Wagner), Macbeth and Don Carlos (Verdi), Boris Godunov (Mussorkskij), Turandot (Puccini), Fidelio (Beethoven), La Damnation de Faust (Berlioz), Cavalleria Rusticana (Mascagni) and others.
- 2023 Chorister at the World Premiere Performance of Sir Karl Jenkins’ ONE WORLD, The UNESCO Concert for Peace, Brucknerhaus, Linz, Austria
- 2024 Chorister at the 200th anniversary of the premiere of Beethoven's Ninth Symphony with the Vienna Symphony Orchestra at the Vienna Konzerthaus, Austria. This concert was part of a European television event on ARTE televised live in numerous European countries.