Jeff Deuble is the author of "Christ Before Creeds: Rediscovering the Jesus of history": 

https://www.amazon.com/Christ-Before-Creeds-Rediscovering-History/dp/173691801X  

We talk about Jeff's journey from being a pastor in a trinitarian denomination to changing his mind by becoming non-trinitarian, we talk about his motivations for writing his book, and how non-trinitarians should interact in a trinitarian Christian world.