
Bill Lomel
President
Bill is in charge of Sentry Roof’s strategy, business development and processes, and team chemistry. He worked with the family business in his youth and came back in 1994. See his complete bio.

Harol Gomez
Logistics Manager (in training)
- Main responsibility: Manage the production warehouse, drivers and crew
- Years with Sentry: Since 2019
- Previously worked as a Metro PCS District Manager for 7+ years and as an insurance agent
- Originally from Cali, Colombia, raised in Alpharetta, GA, graduated from Alpharetta High School in 2005, and has a dog named Bella
- Favorite quote: “Forget yesterday, live today, tomorrow will take care of itself.” ~ Unknown

Cristelle Gonzalez
HR Coordinator
- Main responsibilities: Respond to internal and external HR-related inquiries or requests and provide related assistance. Maintain records of personnel-related data and ensure all employment requirements are met. Perform orientations, onboarding and update records with new hires.
- Years with Sentry: Since 2014
- Originally from Morelia, Mexico, and has a miniature Poodle named Woody who loves to eat French fries with ranch dressing
- Favorite quote: “If you want to go fast, go alone. If you want to go far, go together.”
- “In my spare time, I like to walk my dog, organize my closet, cook, and watch my favorite TV show, Forensic Files.”

Bradley Lord
Sales Director
- Main responsibilities: Lead the sales team, focusing on identifying new opportunities and managing existing accounts.
- Years with Sentry: Since 2017
- Previously worked performing roof asset management consulting for the United State Postal Service and owned and operated his own commercial roofing company at age 21
- Originally from Sugar Hill, GA, and lives on Lake Lanier with his wife Bethany and their two children, Lillian and Braylen
- Favorite quote: “You are what you do, not what you say you’ll do.” ~ Carl Jung
- “In my spare time, I like to play guitar and piano and love spending time with my wife and children.”

Richard Langheim
Executive Vice President
- Nickname: Rick
- Main responsibility: Direct the operational safety, financial, and quality control objectives of all large projects
- Other responsibilities: Direct safety training for the organization
- Years with Sentry: Since 2016
- Previously worked for 35 years in commercial roofing at the contractor level and manufacturer level
- Originally from Dubuque, IA, and has a wife, Vicki, a daughter, Danielle, and a grandson, Grayson
- Favorite quote: “There is no limit to the amount of good you can do if you don’t care who gets the credit.” ~ President Ronald Reagan
- “In my spare time, I like to snow ski.”

Andrew Stanforth
Controller
- Main responsibility: Assist with financial operations, job-costing variance analysis, capital expenditures, forecasting, and month-end financial reporting
- Years with Sentry: Since 2018
- Originally from Massillon, OH, moved to Atlanta in 1984, and has three young children — son, AJ, and twin daughters, Abigail and Emilia
- Favorite quote: “If the only tool you carry is a hammer, every problem looks like a nail.”
- “In my spare time, I like to spend time with my children and watch Clemson football.”

Joseph Edwards Werts
Superintendent
- Nickname: JoJo
- Main responsibility: Leadership and supervision for production in the field
- Other Responsibilities: Installation quality control, materials inventory, production goal assessments, onsite GC/superintendent/tenant liaison, and client relationship building
- Years with Sentry: Since 2017
- Previous worked with commercial roofing companies in Texas, Oklahoma, and Georgia
- Originally from Vidor, TX, and lives in North Georgia with his wife and three young daughters
- Favorite quote: “If you’re the smartest person in the room, you’re in the wrong room!”
- “In my spare time, I like to spend time with my family and friends, and I enjoy riding our horses and four wheelers, fishing, boating, camping, bonfires and traveling.”