Sam Hill

President

Sam Hill is the president and founder of Sam Hill Tree Care. Establishing the company in 1998, after working with firms such as Lambert’s and Precision Landscaping, Sam has made it his mission to provide quality tree care in the Dallas area. He plays an active role in all facets of the company, with primary focus as chief consultant and diagnostician.

Following his belief of leaving the world better than he found it, Sam has instilled a culture of continuous learning and safety within his organization. He has a passion for plant science and pathology and this passion is emulated throughout his team of Arborists, Plant Healthcare Technicians and production crews. Sam invests heavily in training and safety programs to ensure the most qualified tree professionals are providing tree care to his customers.

Mr. Hill is a Board Certified Master Arborist® through the International Society of Arboriculture (ISA) and is also a current member of the organization. He is Texas Oak Wilt Qualified, a TDA Commercial Pesticide Applicator and is Tree Risk Assessment Qualified. Beginning his education at Texas A&M to pursue his degree in Chemistry, Sam graduated from Le Tourneau University with a BBA in Business Administration. He received a Certificate in Leadership from Southern Methodist University, and has recently completed the Aileron Course for Presidents. Sam Hill is highly regarded by his peers and educators nationwide.

Sam and his wife Johnna are the proud parents of two teenagers, Ryan and Abby.  He is also active in his church and community through many volunteer efforts with Cub Scouts and Boy Scouts of America. When not reading, or studying plant science and plant pathology, Sam enjoys photography and honing his skills behind the camera.

Betty Edwards

Director of Administration

Since 2008, Betty has been leading the Accounting and Human Resources efforts for the company. With over 30 years of Human Resources and Accounting experience with large dairy operations such as Morningstar and Dean Foods, Betty brings a depth of payroll expertise, a strong accounting background, and sound compliance and safety practices to our team. She has established and refined our front office procedures for customer support, billing and accounting, implemented new client database system, as well as developed and administers our payroll and benefits plans for our team members.

Betty earned her Certificate in Human Resources from Texas A& M, Commerce. Throughout her career, Betty has been active in SHRM (Society for Human Resource Management) and has invested in continuous training and certification curriculum to stay ahead of dynamic changes in the workplace.  While at Morningstar, Betty became OSHA 501 Train the Trainer Certified, which has proven invaluable knowledge in support of the development of our safety standards. 

When not in the office, Betty loves retreating to her home in Sulphur Springs where she enjoys the pace of the small town including spending time with family, fishing, and church activities.

Andrew Wimmel

Arborist and Safety Manager

Andrew joined Sam Hill Tree Care after relocating to Dallas from Missouri.  He is a graduate of the Ozarks Technical Community College, with an Associate of Applied Science (A.A.S.) degree in Turf and Landscape Management. Andrew worked as a nursery sales specialist for Lowe’s while pursuing his degree. He also served proudly in the United States Marine Corps as a Sergeant.

Andrew is an ISA Certified Arborist. As the Safety Manager for Sam Hill Tree Care, he is responsible for leading crew and equipment safety and quality compliance processes per ANSI Z133 standards. He’s a firm believer in going to bed tired but satisfied every day, knowing that he’s given 100% in all endeavors.

Andrew and his wife Sara are the proud new parents of their daughter, Anna.  Andrew enjoys adventure, whether hiking or camping or enjoying his favorite hobby of precision marksmanship.  Andrew aspires to leaving a legacy of servant leadership.