| Guest Name | Information | Last Appearance |
|---|---|---|
| Erica Kaehly | CEO, Guest Service Solutions | July 13, 2011 |
| Rhonda Kallman | Founder, Sam Adams Brewing | September 17, 2010 |
| Anya Kamenetz | Senior Writer, Fast Company Magazine | July 8, 2010 |
| Michael Kauffelt | President and Chief Investment OfficerBill Few Associates | June 14, 2012 |
| Dawn Keezer | Director, Pittsburgh Film Office | August 1, 2011 |
| Salman Khan | Founder & CEO, Kahn Institute | October 14, 2010 |
| AJ Khubani | Founder and CEO, Telebrands | February 21, 2012 |
| Jeff Kinney | Author | |
| Joseph Kirby | Dairy Farmer | April 28, 2012 |
| Bill Kistler | Bill Few Associates | May 24, 2012 |
| Robert Kiyosaki | Author, Rich Dad Poor Dad | May 28, 2010 |
| Kathryn Klaber | President, Marcellus Shale Coalition | June 22, 2011 |
| Earl Kluft | Founder, Kluft Mattress | May 8, 2012 |
| Mike Knapp | President, Knapp Acquisitions and Production | April 6, 2012 |
| Ken Komoroski | Partner, Fulbright and Jaworski L.L.P. | May 18, 2012 |
| Fred Koos | VP of Education and Certification, Project Management Institute | January 18, 2012 |
| Kay Koplovitz | Founder, USA Network | July 15, 2010 |
| Donna Korenich | President, Three Rivers Career Management | June 5, 2012 |
| Maria Korolov | Trombley International | December 8, 2010 |
| Joel Kotkin | Author - | |
| Jules Kroll | Corperate Security Pioneer, Kroll Inc. | |
| Joe Kuklis | Managing DirectorGSP Consulting | October 25, 2010 |
| Zak Kukoff | CEO, Truant Today | August 11, 2011 |
| Dr. Prashat Kumta | Edward R. Weidlein Chair at the University of Pitt, University of Pittsburgh | March 13, 2012 |
| Brian Kutchma | Vice President, Black Box Network Services | February 22, 2012 |