In this episode, I chat with Caitlan Siegenthaler, a Level 2 IFS licensed therapist and podcast host who specializes in IFS and Human Design. What I love about Caitlan’s work is how she treats both frameworks as paths home to Self.

She shares how Human Design entered her life and how she integrates it with IFS to help clients befriend their parts. She recently led a Human Design reading session with Dick Schwartz, founder of IFS.

In this conversation, we explore:

• How IFS and Human Design work together to help us return to our authentic Self

• How understanding your Human Design chart can help you connect with your internal system in a whole new way

• The five Human Design energy types and what they can teach us about our systems

• How Human Design mirrors IFS as a spiral — a way of returning, again and again, to Self

• Why curiosity matters more than mastery when exploring new systems

We also recorded an extended interview with Caitlan for our paid Substack community about supervision and consultation — why it matters, how to find it, and how it helps therapists bring more of themselves into the room.

You can connecct with Caitlan at caitlansiegenthaler.com, listen to her Return podcast, and check out her free five-episode series on navigating indecision using Human Design and IFS.

This episode is sponsored by Pisgah Coaching Institute: Founded by IFS-trained master coach Brian Jaudon, a pioneer in the integration of IFS and coaching for more than two decades. Brian and his faculty teach a blended methodology for clarifying and living into a vision of any kind. pisgahcoaching.com

I started this podcast to help spread IFS out into the world and make the model more accessible to everyone. Seven years later, that’s still at the heart of all we do.

• Join The One Inside Substack community for bonus conversations, live events, meditations, and extended interviews.

• Find merch at The One Inside store.

• Listen to episodes and watch clips on YouTube.

• Follow me on Instagram @ifstammy or on Facebook at The One Inside with Tammy Sollenberger.

I co-create The One Inside with my colleague and friend, Jeff Schrum, a Level 2 IFS practitioner and creative collaborator.

• New to IFS? My book, The One Inside: Thirty Days to Your Authentic Self, is a great place to start.

• Want a free meditation? Sign up for my email list and get “Get to Know a Should Part” right away.

Want to sponsor an episode of The One Inside? Email Tammy.

How can Internal Family Systems help us prepare for, experience, and integrate psychedelic journeys in a truly Self-led way? And what if Self itself can be the journey, without medicine at all?

In this episode, I talk with Nick Brüss, an IFS practitioner and licensed marriage and family therapist who specializes in psychedelic-assisted therapy. What I loved about this conversation is how grounded and humble Nick is about the work. He reminds us that psychedelics can open the door, but Self is what does the healing.

Why listen:
Many people are curious about how psychedelics and IFS intersect. This conversation goes deeper into integration, humility, and what it really means to let Self lead before, during, and after expanded states.

In this conversation, we explore:

• How IFS can guide and ground psychedelic experiences through Self Energy

• Why integration, not the journey itself, is where true healing happens

• How to meet expanded states with curiosity, consent, and care for all parts

• How to partner with the medicine to turn toward what needs our attention, bringing the same kind of compassion and curiosity we bring to our parts

• The nervous system and trauma dynamics that often surface after psychedelic experiences

• How Self can open the same sense of connection and wonder that psychedelics reveal

• The risks of spiritual bypass and how to stay Self-led

• What an ethical, Self-led approach to psychedelic healing looks like

Favorite Quotes:

“The real question is, are we partnering with the medicine, or are we giving it all the power?” — Nick Brüss

“Psychedelics don’t heal anyone. They open a window. What heals is the relationship with Self.” — Nick Brüss

Connect with Nick at www.apracticeoffreedom.com

Pisgah Coaching Institute: Founded by IFS-trained master coach Brian Jaudon, a pioneer in the integration of IFS and coaching for more than two decades. Brian and his faculty teach a blended methodology for clarifying and living into a vision of any kind. pisgahcoaching.com

I started this podcast to help spread IFS out into the world and make the model more accessible to everyone. Seven years later, that’s still at the heart of all we do.

• Join The One Inside Substack community for bonus conversations, live events, meditations, and extended interviews.

• Find merch at The One Inside store.

• Listen to episodes and watch select clips on YouTube.

• Follow me on Instagram @ifstammy or on Facebook at The One Inside with Tammy Sollenberger.

I create The One Inside with my friend, Jeff Schrum, a Level 2 IFS practitioner who loves helping clients create with confidence and clarity.

• New to IFS? My book, The One Inside: Thirty Days to Your Authentic Self, is a great place to start.

• Want a free meditation? Sign up for my email list and get “Get to Know a Should Part” right away.

Want to sponsor an episode of The One Inside? Email Tammy.

We all feel numb sometimes. Our numbing parts protect us from stress, pain, and overwhelm. But what happens when numbness lingers?

As we kick off The One Inside's seventh season, Jeff and I share what we’ve learned about working with numbing parts. We led a workshop at the recent 2025 IFS Annual Conference called Why Check In When You Can Check Out: A Self-Led Approach to Numbing Parts.

In this episode we walk you through the highlights of our workshop and share a few of the insights we brought home from the conference.

We discuss:

• What I discovered about numbness, embodiment, and grief this past year

• Numb parts are “invisible protectors” and why simply naming the numb matters

• The compounding opportunity costs of numbing and what we miss when we spend too much time checked out

• The grief of emerging from numbness

• How numbness shows up across generations and cultures

• The NUMB framework we created for reconnecting with Self

I keep returning to this slide from our deck: Our protectors think they’re saving our lives, but sometimes they’re quietly stealing our vitality.

I share a lot about my numb season, and how naming the "nothing" became a game-changer. I hope as you listen you’ll notice your own ways of checking in and checking out and name the places where numbness shows up for you.

This week’s episode is sponsored by:

Pisgah Coaching Institute: Founded by IFS-trained master coach Brian Jaudon, a pioneer in the integration of IFS and coaching for more than two decades. Brian and his faculty teach a blended methodology for clarifying and living into a vision of any kind. pisgahcoaching.com

Pause With Laura: Restore Your Self Retreat for IFS Therapists & Practitioners at Kripalu, October 19-22, 2025. Download FREE IFS Resources from Laura (PDF & guided meditations). Join our Pause with Laura community for monthly Parts Reflections and deals on upcoming offerings.

I started this podcast to help spread IFS out into the world and make the model more accessible to everyone. Seven years later, that’s still at the heart of all we do.

• Join The One Inside Substack community for bonus conversations, live events, meditations, and extended interviews.

• Find merch at The One Inside store.

• Listen to episodes and watch select clips on YouTube.

• Follow me on Instagram @ifstammy or on Facebook at The One Inside with Tammy Sollenberger.

I create The One Inside with my friend, Jeff Schrum, a Level 2 IFS practitioner who loves helping helpers create with confidence and clarity.

• New to IFS? My book, The One Inside: Thirty Days to Your Authentic Self, is a great place to start.

• Want a free meditation? Sign up for my email list and get “Get to Know a Should Part” right away.

Want to sponsor an episode of The One Inside? Email Tammy.