Keeler: Broncos' culture problems? George Paton created them. So why does CEO Greg Penner think he can fix them? – Greeley Tribune
Greg Penner Talks About Walmart's Board of Directors - YouTube
Election of Greg Penner as Chairman, Walmart Board of Directions
Walton-Penner group hope to continue winning legacy after approval as new owners of Denver Broncos | Broncos | gazette.com
Greg Penner and Carrie Walton-Penner interview with 9NEWS | 9news.com
Gregory B. Penner - Walmart Board of Directors
Here's what Greg Penner and George Paton are looking for in the Broncos' next head coach
Denver Broncos CEO Greg Penner sheds light on ownership structure
Broncos now sport the NFL's richest, most diverse ownership | Colorado Public Radio
Owners Greg Penner (@TeachForAmerica) & Carrie Walton Penner (@childmindinst) and President @dleech9 (Monterrey Football League) are rocking their #MyCauseMyCleats ahead of #DENvsBAL! : r/DenverBroncos
Carrie Walton Penner
We've got to get this right': Owner & CEO Greg Penner, GM George Paton share what they are looking for in Broncos' next head coach
Denver Broncos: Greg Penner replaces Joe Ellis as team's CEO
Greg Penner: Broncos not where we need to be - ProFootballTalk
Greg Penner named Broncos CEO following Joe Ellis | FOX31 Denver