Close

Management Team

i-SIGMA® is managed by a team committed to its members. You can reach the staff regarding any membership or industry issue and we will work to assist you.

General Inquiries

i-SIGMA Staff Contacts

Chief Executive Officer

Nathan Campbell
Phn: 602-788-6243 x2001
Email: [email protected]

Chief Operating Officer

Michele Goodman
Phn: 602-788-6243 x2009
Email: [email protected]

Accounting & Membership Administrator

Jena Robinson
Phn: 602-788-6243 x2010
Email: [email protected]

Certification Contacts

Director of Certification

Olesia White
Phn: 602-788-6243 x2005
Email: [email protected]

Sr. Certification Specialist

Karen Lyons
Phn: 602-788-6243 x2011
Email: [email protected]

Certification Specialist

Shaina Van Kilsdonk
Phn: 602-788-6243 x2020
Email: [email protected]

Administrative Assistant Certification

Victoria Vale
Phn: 602-788-6243 x2014
Email: [email protected]



Marketing & Events Contacts

Director of Marketing & Communications

Kelly Martinez, CSDS
Phn: 602-788-6243 x2008
Email: [email protected]

Meeting & Event Planner

Sara Berntgen
Phn: 602-788-6243 x2006
Email: [email protected]

Marketing Specialist

Maggie Geolat
Phn: 602-788-6243 x2003
Email: [email protected]

Marketing Coordinator

Joye Rea
Phn: 602-788-6243 x2007
Email: [email protected]