--- title: Perception Connections - Birkman Blog | Mike Goodfriend description: Mike Goodfriend is a Teamwork Engineer, Leadership Coach, and Author. Mike is a Birkman Master Certified Professional (BMCP) and has been using the Birkman Method for more than 30 years. He created the Teamwork Sharks Leadership Challenge, a Shark-Tank style leadership program that culminates in each participant, making a compelling business case for a cross-functional opportunity they want to lead. Mike authored Breakthrough Time, a time travel business novel about how the Teamwork Sharks help a client commercialize a revolutionary technology. Mike also leads the Birkman Mindset User Group to help certified Mindset users apply the tool with their clients and in their workplace.  --- X ### Interested in Birkman Solutions or Need More Information? Let's connect and get your questions answered! # Perception Connections The Birkman blog on perception, personality and organizational success ![](https://blog.birkman.com/hubfs/birkman2019/Icons/magnifying-glass%20(1).png) - [Team Building (44)](https://blog.birkman.com/topic/team-building) - [Leadership Development (34)](https://blog.birkman.com/topic/leadership-development) - [Personal Growth (21)](https://blog.birkman.com/topic/personal-growth) - [Company Culture (17)](https://blog.birkman.com/topic/company-culture) - [Coaching (15)](https://blog.birkman.com/topic/coaching) ![](https://blog.birkman.com/hs-fs/hubfs/mike.jpeg?width=100&height=100&name=mike.jpeg) About the Author | **[Mike Goodfriend](https://blog.birkman.com/author/mike-goodfriend)** Mike Goodfriend is a Teamwork Engineer, Leadership Coach, and Author. Mike is a Birkman Master Certified Professional (BMCP) and has been using the Birkman Method for more than 30 years. He created the Teamwork Sharks Leadership Challenge, a Shark-Tank style leadership program that culminates in each participant, making a compelling business case for a cross-functional opportunity they want to lead. Mike authored Breakthrough Time, a time travel business novel about how the Teamwork Sharks help a client commercialize a revolutionary technology. Mike also leads the Birkman Mindset User Group to help certified Mindset users apply the tool with their clients and in their workplace.  #### Executive Coaching Is Your Mindset on the Cutting Edge?