Waldzell Speakers
- Yousriya Loza Sawiris
- Wolf Singer
- Willigis Jäger
- William E. Strickland
- Werner Arber
- Warren Bennis
- Walter Link
- Vanja Palmers
- Tony Lai
- Thomas Hampson
- Thom Mayne
- Tenzin Palmo
- Susan Collin Marks
- Sir Paul Nurse
- Shirin Ebadi
- Rupert Sheldrake
- Robert M. Williams
- Robert C. Gallo
- Philip, Archbishop of Poltava and Myrgorod
- Peter Senge
- Paulo Coelho
- Pat Mitchell
- Paramahamsa Prajnanananda
- Oscar Motomura
- Mihály Csikszentmihályi
- Kary B. Mullis
- Jonathan Wittenberg
- John Marks
- John F. Demartini
- Jill Purce
- Jean Shinoda Bolen
- Jan Lapidoth
- Isabel Allende
- His Holiness the 14th Dalai Lama
- Helen Palmer
- Hein Dijksterhuis
- Günter Blobel
- Franz Welser-Möst
- Frank Gehry
- Elizabeth Lesser
- Donald D. Hoffman
- David Steindl-Rast
- David Rosen
- David Goldberg
- Craig Venter
- Christo and Jeanne-Claude
- Christian de Duve
- Carl Djerassi
- Burkhard F. Ellegast
- Bruce Lipton
- Bibi Russell
- Anton Zeilinger
- Alan M. Webber
- Ahmed Mohammad El-Tayyib