Hennessey
Engineering, Inc.
Our Leadership Team
Peter Hennessey
Founder
Pete founded Hennessey Engineering in 1980 and since then he has enjoyed helping build the Preston Hollow, Park Cities, Dallas-Forth Worth building landscape. He worked alongside highly distinguished Architects, Builders and Designers who found his creative engineering and quick responsiveness key components of the success of their projects. Throughout his career Pete was a firm believer on nurturing the next generation of engineers and supporting High School and College students’ internships. Known by all of us as "Pete" with his charismatic Australian accent was always the Engineer that was ready to help. Pete who has lead this company for almost 45 years teaching all his employees to treat all projects, big or small, multimillion dollar mansions or small house remodels, with the same attention to detail and importance. He mentored each employee to continue the legacy of high quality and service that has always distinguished Hennessey Engineering.
Alexandra Ordonez, PE
President
Alexandra, has been with Hennessey Engineering for 28 years. She graduated with a Civil Engineering degree from Colombia in 1997 and obtained her Texas Professional Engineering License (PE) in 2007. She loves how working in a small Structural Engineering Firm she gets to wear many hats and how it allows her to respond to her clients in a personal and time efficient matter. She understands the privilege of working and interacting with Home Owners, Architects, Designers, Builders and Skilled trades on a daily basis. Being able to understand their vision and needs and design their structure from concept design to construction stage is always such an honor because she understands these are not just houses, they are Homes. When not doing engineering, she enjoys reading fiction and walking daily with her husband and their dog Shiner.
Larry Kempke, PE
Vice President/Senior Engineer
Larry G. Kempke, P.E., is a Senior Engineer with more than 46 years of civil and structural engineering experience, including design for wind, seismic, tornado, blast forces, and vibration control, as well as clean room and other vibration-sensitive structures. He holds an Executive MBA from the University of North Texas and a B.S. in Architectural Engineering from Kansas State University. Larry is a Licensed Professional Engineer in Texas and a member of the American Society of Civil Engineers, the American Institute of Steel Construction, and the Structural Engineers Association of Texas. He has led multidisciplinary teams in producing design calculations, specifications, and contract documents, and brings extensive expertise in structural analysis, soils report evaluation, cost estimating, shop drawing review, and field inspections for existing and in-progress construction. His design background spans structural steel for large warehouse, manufacturing, and commercial facilities; timber and wood framing for institutional and residential projects; concrete foundations and elevated structures; and foundation systems including piers, piles, rigid mats, and slab-on-grade.
Zack Kempke
Office Manager
Zack Kempke graduated from Oklahoma State University in 2012 with Bachelors of Animal Science. He has been working full time with Hennessey Engineering for 11.5 years (2014) and started off as Field Manager with Hennessey Engineering. In 2022 Zack moved to the role of Office Manager. He resides in Lewisville, TX with his wife, two children, two dogs, two cats, and never a dull moment at his household.
Hanna Moreno
Design Manager
Hanna Moreno has been a dedicated member of Hennessey Engineering, Inc. since 2007, growing with the company over the past
19 years and contributing to the successful delivery of countless residential projects. As Design Manager, she supports projects from
pre-design through final construction documents, applying thoughtful project planning to ensure each home is both efficient and
well-executed. She develops detailed construction drawings tailored to the specific needs of each project, coordinating closely with
engineers, designers, and clients to bring clarity, precision, and cohesion to every stage of the design process. Hanna holds a Bachelor of
Business Administration from Colombia, where she currently resides. Her degree enhances her ability to approach design with both
technical focus and strategic perspective. Outside of work, she enjoys staying active and spending time outdoors.
Maria Miller
Project Manager
Maria Miller is originally from Venezuela, where she earned a degree in Civil Engineering in 2000 and a Master’s degree in Structural Engineering in 2006. She moved to Texas in 2010 and has lived with her family in the Fort Worth area since then, where she is raising a teenage daughter with her husband and dog. She has been part of Hennessey Engineering since 2017, where she has been project manager, doing design calculations, structural drawings, site visits, handling requests for information (RFI’s), submittals, and reviewing technical specifications for accuracy and compliance of projects. She is also a point of contact with contractors, architects, and clients. Maria is currently in the process of getting her EIT with her objective being to pursue her PE.