Former "Steps to Leadership" facilitator Susanne Krauch presents a workshop that connects Chuck Spezzano to nutjob quack Bert Hellinger. It seems that many of Hellinger's methods and views, particularly the pseudoscience of "Family Constellations" have been absorbed into Psychology of Vision.
https://naturheilpraxis-krauch.de/downloads/Systemische-Aufstellungen-Familienstellen.pdf
http://skepdic.com/hellinger.html