"Mikao Usui, Reiki and Kurama Yama. An Interview with Don Alexander", published in the German version in: Reiki Magazin Special Edition "Mikao Usui", 2015, www.reiki-magazin.de

"Up and away: Mary McFadyen" published in the German version in: Reiki Magazin 1/2012, www.reiki-magazin.de

"Does Reiki Have a Buddhist Origin?" published in the German version in: Reiki Magazin 4/2009, www.reiki-magazin.de

"Conversation About God. An Interview with Neale Donald Walsch" published in the German version in: Reiki Magazin 2/2008, www.reiki-magazin.de

"Angels in My Hair. An Interview with Lorna Byrne" published in the German version in: Reiki Magazin 1/ 2010, www.reiki-magazin.de

"Radical Forgiveness. An Interview with Colin Tipping" published in the German version in: Reiki Magazin 3/2008, www.reiki-magazin.de

"Reiki Mastership is a Destination. An Interview with John Harvey Gray" published in the German version in: Reiki Magazin 1/2009, www.reiki-magazin.de

"Healing and Spirituality" An Interview with Mary McFadyen
published in an edited version ("A Spiritual Path") in: Reiki Magazine International (Aug./Sept. 2006), www.reikimagazine.com & published in the German version (in two parts) in: Reiki Magazin (4/06 & 1/07), www.reiki-magazin.de

"Reiki - A Healing Method in Motion"
published in: Reiki Magazine International (Dec. 2004/Jan. 2005), www.reikimagazine.com & published in the German version in: connection spirit (March/April 2004), www.connection.de

"Reiki and Money. The Energy Exchange"
published in the German version in: Reiki Magazin (2/02), www.reiki-magazin.de

"The Usui System of Reiki – Different Traditions, One Origin"
A Joint Conversation between Tadao Yamaguchi, Walter Lübeck, Frank Arjava Petter and Oliver Klatt. published in the German version in: Reiki Magazin (1/05), www.reiki-magazin.de

"Form and Freedom" An Interview with Paul David Mitchell
published in: Reiki Magazine International (Part 1: Dec.'02/Jan'03, Part 2: Feb./March'03), www.reikimagazine.com & published in the German version in: Reiki Magazin (3/02), www.reiki-magazin.de