ISTI
  • Welcome to ISTI
  • Calendar
  • The People
    • Instructors
    • CSCT Professionals
    • Testimonials
  • eLearn
  • PESI Course Offerings
    • PN Symposium 2023 contest
    • PESI class details
    • for CSTIP candidates only
  • Contact Us
  • Welcome to ISTI
  • Calendar
  • The People
    • Instructors
    • CSCT Professionals
    • Testimonials
  • eLearn
  • PESI Course Offerings
    • PN Symposium 2023 contest
    • PESI class details
    • for CSTIP candidates only
  • Contact Us
We're having a FREE open house

Would you like to enrich your sex therapy or couples therapy
with an integrative approach to relationships?
Curious about the process toward a Certified Sex Therapist, Counselor or Educator?

Are you considering the broadly integrative Certified Sex and Couples Therapist designation?
Get a sneak peek into our upcoming 2023 schedule.
REGISTER NOW AND RESERVE YOUR SPOT


Click here to register

Discover the next steps for your career with the Integrative Sex Therapy Institute (ISTI). Join our Open House - at 4:00 PM (PT) / 7:00 PM (ET) on October 26, 2022; meet our staff and have all of your certification questions answered.

ISTI offers all courses* necessary for certification as a:
  • ISTI Certified Sex and Couples Therapist (CSCT)
  • AASECT Certified Sex Therapist (CST) or Counselor or Educator
  • ISTI and PESI combined training Certified Sex Therapy Informed Professional (CSTIP)
  • Students can transfer courses** toward a PhD Counseling/Sex Therapy through the fully accredited Daybreak University online program

Dr. Tammy Nelson is the founder and Executive Director of the Integrative Sex Therapy Institute (ISTI). For over 30 years she has been teaching and leading the field in the highest standards of excellence, and introducing ISTI students to expert instructors, top-notch authors and speakers, researchers, and academics in the field of sexuality and psychotherapy. Instructors include Gail Guttman, Hani Miletski, Barry McCarthy, Nan Wise, Dan Rosen, Pebble Kranz, Wendy Miller, Andrew Tatarsky, Michael Giordano, Shadeen Francis, Lee Phillips, Natashia Fuksman, and many more. 

We know that your world is changing. We offer payment plans, financial assistance, discounts, and scholarships. Sign up for one course or apply for the whole program to receive the support you need. Graduates assist faculty, instruct, teach, and publish with our help.
Your program starts here and now.
Registration Details
Event cost: FREE
Location: Online via Zoom
Reserve your spot and register today

Click here to register

Email for more information:  tammynelsonasst@gmail.com

We can't wait to see you!

Now available on Amazon - Integrative Sex & Couples Therapy: A Therapist's Guide to New and Innovative Approaches Book 

*  Unless otherwise noted, all courses are AASECT approved
** Unless otherwise noted, all courses are eligible to be transferred

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© 2023 Integrative Sex Therapy Institute

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  • Welcome to ISTI
  • Calendar
  • The People
    • Instructors
    • CSCT Professionals
    • Testimonials
  • eLearn
  • PESI Course Offerings
    • PN Symposium 2023 contest
    • PESI class details
    • for CSTIP candidates only
  • Contact Us