Our leadership team


Mark Lilie, PE, founded Ensight Haynes Whaley in 2009 and has served as CEO since then. Though it could be said he’s been practicing engineering his whole life, starting with the elaborate machines and intricate buildings constructed entirely of Lego® bricks.

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Mark Lilie, P.E.

Though Melissa Lilie’s title is Chief Financial Officer, she is the epitome of multidisciplined. She manages office operations and is responsible for everything pertaining to administration, human resources, and accounting. Melissa earned her Bachelor of Business Administration...

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Melissa Lilie

Engineering industry veteran David Carter oversees operations, business development, and marketing...


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David Carter

Doug Parker is a Principal in the Austin office of Ensight Haynes Whaley. He manages all local projects and oversees project design and delivery. Doug began his career at Haynes Whaley, now IMEG, in 1998, and later transitioned to the Ensight Haynes Whaley team...

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doug parker, P.E.
principal - austin
Chris Nicholson 2021 pic_no pin_edited_edited_edited_edited.jpg

Chris Nicholson, P.E., has grown his career at Ensight Haynes Whaley, starting as a project engineer and working up to the role of Project Director. For every project, Chris is responsible for developing the project plan, ensuring adequate staffing, scheduling milestones, and regular reviews of project progress against client goals.

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Chris nicholson, P.E.
project director