Dennis M. Mannion is currently CEO and President of House of 7, LLC, a sports advisory company with professional and amateur sports clients. Mannion was CEO and President of Palace Sports and Entertainment where he oversaw Business Operations of the

Detroit Pistons The Detroit Pistons are an American professional basketball team based in Detroit. The Pistons compete in the National Basketball Association (NBA) as a member of the Central Division (NBA), Central Division of the Eastern Conference (NBA), East ...

DTE Energy Music Theatre Pine Knob Music Theatre (formerly DTE Energy Music Theatre) is an outdoor amphitheater located in Independence Township, Michigan, approximately northwest of Detroit. Built by the Nederlander Organization in the early 1970s, it is known as "Pine ...

, Meadow Brook Amphitheatre, and Freedom Hill Amphitheatre. He has worked in all four Major League sports:

MLB Major League Baseball (MLB) is a professional baseball league composed of 30 teams, divided equally between the National League (baseball), National League (NL) and the American League (AL), with 29 in the United States and 1 in Canada. MLB i ...

NHL The National Hockey League (NHL; , ''LNH'') is a professional ice hockey league in North America composed of 32 teams25 in the United States and 7 in Canada. The NHL is one of the major professional sports leagues in the United States and Cana ...

NBA The National Basketball Association (NBA) is a professional basketball league in North America composed of 30 teams (29 in the United States and 1 in Canada). The NBA is one of the major professional sports leagues in the United States and Ca ...

, and NFL.

Early career

After graduating college, Mannion began his sports management career in

Major League Baseball Major League Baseball (MLB) is a professional baseball league composed of 30 teams, divided equally between the National League (baseball), National League (NL) and the American League (AL), with 29 in the United States and 1 in Canada. MLB i ...

, spending 16 years with the

Philadelphia Phillies The Philadelphia Phillies are an American professional baseball team based in Philadelphia. The Phillies compete in Major League Baseball (MLB) as a member club of the National League (NL) East Division. Since 2004, the team's home stadium has ...

from 1982 to 1997. He would serve as Vice President of Marketing and Sales for eight seasons. Mannion left the Phillies in 1997 for a position as Senior Vice President of Ascent Sports in

Denver, Colorado Denver ( ) is a List of municipalities in Colorado#Consolidated city and county, consolidated city and county, the List of capitals in the United States, capital and List of municipalities in Colorado, most populous city of the U.S. state of ...

. There he handled business operations for the Accent-owned NHL

Colorado Avalanche The Colorado Avalanche (colloquially known as the Avs) are a professional ice hockey team based in Denver. The Avalanche compete in the National Hockey League (NHL) as a member of the Central Division (NHL), Central Division in the Western Con ...

and NBA

Denver Nuggets The Denver Nuggets are an American professional basketball team based in Denver. The Nuggets compete in the National Basketball Association (NBA) as a member of the Northwest Division (NBA), Northwest Division of the Western Conference (NBA), W ...

. Mannion also worked on the movement of both teams games and operations to the newly built

Pepsi Center Ball Arena (formerly known as the Pepsi Center) is a multi-purpose indoor arena located in Denver, Colorado, United States. It is situated at Speer Boulevard, a main thoroughfare in downtown Denver, and is served by two nearby exits off Int ...

. He later worked in the NFL for the

Baltimore Ravens The Baltimore Ravens are a professional American football team based in Baltimore. The Ravens compete in the National Football League (NFL) as a member of the American Football Conference (AFC) AFC North, North division. The team plays its home g ...

, serving eight seasons as Senior Vice President of Business Ventures from 1999 until 2007. In November 2007, he returned to baseball with the

Los Angeles Dodgers The Los Angeles Dodgers are an American professional baseball team based in Los Angeles. The Dodgers compete in Major League Baseball (MLB) as a member club of the National League (baseball), National League (NL) National League West, West Div ...

. He served as Executive Vice-President and Chief Operating Officer from November 2007 until March 2009 when he was promoted to President and CEO. During his tenure, the Dodgers led the league in game attendance, set a World Record for the largest attended baseball game in 2008 at the LA Coliseum (119,000), hosted the 2009 World Baseball Classic championship rounds, and reached the

National League Championship Series The National League Championship Series (NLCS) is a best-of-seven playoff and one of two League Championship Series comprising the penultimate round of Major League Baseball's (MLB) postseason. It is contested by the winners of the two Natio ...

two consecutive years. With a pending change in ownership of the Dodgers organization, Mannion took the position with Palace Sports & Entertainment in 2011. Mannion’s role extended to all four PS&E operated properties – The Palace, DTE Energy Music Theatre, Meadow Brook Amphitheatre and Freedom Hill Amphitheatre.

Personal

A native of Pittsburgh, Pennsylvania, Mannion graduated from the

University of Massachusetts Amherst The University of Massachusetts Amherst (UMass Amherst) is a public land-grant research university in Amherst, Massachusetts, United States. It is the flagship campus of the University of Massachusetts system and was founded in 1863 as the ...

at the

Isenberg School of Management The Isenberg School of Management is the business school and also the second largest school at the University of Massachusetts Amherst, the flagship campus for the University of Massachusetts system. The Isenberg School is accredited by the Asso ...

in 1981 with a bachelor's degree in Business and Sports Management. He received the “Distinguished Alumnus Award” from his alma mater in 1998. Mannion and wife Pam are the parents of five children. His stepdaughter Kate Norley is married to comedian

John Oliver John William Oliver (born 23 April 1977) is a British and American comedian who hosts ''Last Week Tonight with John Oliver'' on HBO. He started his career as a stand-up comedian in the United Kingdom and came to wider attention for his work ...

References

{{DEFAULTSORT:Mannion, Dennis 1960 births Living people Baltimore Ravens executives Los Angeles Dodgers executives Philadelphia Phillies executives Isenberg School of Management alumni