Mark B Kastleman

Get to know Mark Kastleman, co-creator of the PowerThink program, and renowned speaker on topics ranging from self-help to addiction recovery. Te following pages will introduce you to Mark's life, his works and his words of wisdom.

• Biography of Mark Kastleman

• Books and Audio by Mark B Kastleman

• Mark's Blog - Success Through PowerThinking

Feel free to Contact PowerThink for more information.