photo of Jack B. Evans, PE

Jack B. Evans, PE


President

The founder of JEAcoustics, Jack provides measurements, analyses, engineering design, and expert witness for mechanical noise control, architectural sound isolation, structural vibration, and environmental noise in addition to firm management and marketing. His technical specialties are in the mechanical and structural engineering disciplines, relating to architectural acoustics, building vibration, and mechanical noise control.  Mr. Evans has been actively involved in acoustics, noise control, facilities services, and microelectronics projects as a consultant, designer, and construction manager for 32 years.  He has consulted on more than 1000 projects in the Americas, Asia, Europe, and Africa. Jack Evans has been an invited speaker on various topics of vibration, acoustics, noise control, and professional service business development at the University of Texas and a number of professional societies and architectural firms. He has presented technical papers at international conferences in the US, Europe and Asia. Mr. Evans has served as President of the Travis Chapter of the Texas Society of Professional Engineers (President 1993-1994), Vice President of the Austin ASHRAE Chapter (1998-1999), and was appointed to the 1991-1993 term of the City of Austin Environmental Advisory Board.  He earned a Bachelor of Science Degree in Architectural Engineering at the University of Texas at Austin in 1975. He is a Registered Licensed Professional Engineer in Texas since 1982, No. 52472.
Résumé
(105 kB)
photo of Chad Himmel, PE

Chad Himmel, PE


Associate

Chad is responsible for project management and scheduling. He conducts and supervises measurements, analyses, engineering design, detailing, and recommendations in each of JEA's major disciplines. Mr. Himmel's background includes work and education in architecture and engineering, leading to excellent integration of acoustics and vibration disciplines with building design and construction. He has been a presenting speaker for professional groups and the national AIA convention, has been an invited speaker at a local high school on the application of mathematics in real-life job applications, and has presented technical papers at national and international conferences. Prior to joining JEAcoustics, he worked as an acoustical consultant in Seattle, Washington. In addition to graduating with high honors from the University of Texas, he was awarded the AIA Medal of Honor for Academic Excellence in 1992. He is a Licensed Professional Engineer in Texas since 2002, No. 90175.
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(105 kB)
photo of Joshua Leasure

Joshua Leasure


Consultant

Joshua D. Leasure, Consultant, joined the firm in 2008 to conduct measurements, analysis, and detailing for architectural acoustics, sound isolation, mechanical noise control, and environmental noise. Josh's interests and technical specialties include computer modeling, traffic noise, and acoustics and vibration measurement. Mr. Leasure was an Associate at Veneklasen Associates in Los Angeles, California, and worked in environmental noise at Hankard Environmental in Fort Collins, Colorado. After earning his B.S. in Mechanical Engineering from the Colorado School of Mines in 2002, he did noise research for CSM's Western Mining Research Center.
Résumé
(101 kB)