Management Team:

Jim Whelan A to Z Roofing President

Jim Whelan


Jim Whelan has been President of A to Z Roofing since 2007. Prior to his position at A to Z Roofing was in sales and management for JEH and Premier Roofing supply. Jim Whelan has sat on the codes commission for the Colorado Roofing Association and has been an active member since 2007. With over 18 years of experience in the roofing industry Jim brings a great deal of knowledge to A to Z. Jim has received extensive training in both product knowledge and applications of various types of roofing. His commitment to quality and service has made A to Z Roofing one of the top roofing companies along the Front Range. Jim Whelan is a graduate of Colorado State University and has called Colorado his home since 1989. Jim resides in Highlands Ranch with his wife of 22 years and their 3 children.

Eric Brown A to Z Roofing Vice President

Eric Brown

Vice President

We welcomed Eric’s vast experience and success in the roofing and home improvement industry to A to Z Roofing in 2016.  With a proven track record of safe and successful completion of  more the thirty multi-family restoration projects, and a passion for providing the highest levels of service, communication, and integrity Eric has become a trusted resource for Property Managers and Homeowners Associations across Colorado. Eric’s ability to recruit, train and develop Project Managers for A to Z has allowed us to grow the company without compromising our high standards. An avid golfer and fisherman, Eric lives in Lakewood with his wife Julie and is a volunteer and proud supporter of the Boy Scouts of America, and Wounded Warrior USA.

Jennifer Florea A to Z Roofing Office Manager

Jennifer Florea

Office Manager

Jennifer Florea is the backbone of our company and has been with A to Z since 2008. With over a decade in the construction industry, Jennifer brings Fortune 500 experience to a small, local and reputable business.  With a strong belief and professional emphasis on customer service, Jennifer helps to ensure that our customers are our first priority.

From first phone call; connecting you to a knowledgeable Roofing Professional, to registering manufacturer warranties at project completion, Jennifer works to ensure that your renovation project with A to Z is as seamless as possible.  Working hand-in-hand with our Production and Billing Teams, Jennifer acts as liaison for our customers and our A to Z team.

Jennifer is a Colorado native and enjoys spending time outdoors traveling the state with her husband, daughter and rescue dog, Harrison.

Breanna Beem A to Z Roofing Billing Manager

Breanna Beem

Billing Manager

Breanna Beem brings a tremendous amount of experience coordinating with Insurance carriers to assess losses and develop appropriate scopes of repair for commercial and residential clients. Breanna’s knowledge of local and national building codes and steep and low slope roofing systems help ensure our customers new roofs meet or exceed all code and manufactures installation requirements. Breanna’s ability to communicate with carriers and adjusters helps navigate our customers through the sometimes-difficult insurance restoration process allowing for a smooth, hassle free transaction.

Breanna is a proud Colorado Native and enjoys spending her time with her husband, daughter and their 3 dogs.

Corey Largen A to Z Roofing Production Manager

Corey Largen

Production Manager

Corey started his career as a roofer in Washington State, and moved to Denver in 2000. Corey has been an asset to A to Z Roofing since 2007. Corey has over 30 years of knowledge pertaining to all aspects of the roofing industry. Corey has hands on experience roofing from residential projects to large commercial restoration. Corey’s primary role at A to Z Roofing is our Production Manager but brings much more to the table than just production. Corey enjoys outdoor sports in his free time such as driving his ATV in the sand dunes, traveling around the world, and completing projects at his home.

Jeremy Kelleher A to Z Roofing Project Manager

Jeremy Kelleher

Project Manager

After spending 10 years in corporate America; my drive, passion, focus evolved into assisting and educating local members of our Colorado communities to properly restore their homes to pre-storm condition.  I strive to educate, inform, and provide the highest level of customer service from project commencement to the final result for every A to Z Roofing & Exterior prospective customer.

Proud alumni of the University of Iowa and Colorado State University.  In my free time my hobbies consist of: hunting, fishing, running, hiking, cooking, working out, traveling to see family/friends, and volunteering at Metro Caring Denver.

Brett Gerhardt A to Z Roofing Project Manager

Brett Gerhardt

Project Manager

Senior Property and Casualty Adjuster for 10 years.

Have been with A to Z Roofing since 2005 as a hail damage assessment expert for both Residential and Commercial properties.

Father of 4 adult children, and extracurricular activities sports and outdoor activities.

Dashing personality and well loved by all his peers!!!