LAN Promotes Two Employees to Team Leader

(HOUSTON – June 07, 2016) Lockwood, Andrews & Newnam, Inc. (LAN), a planning, engineering and program management firm, has promoted Melissa C. Mack, P.E., and Johnathan Terrazas, P.E., to the position of team leader.
 
Mack has 18 years of experience and is LAN’s lead hydraulic and transient modeling engineer. For the past 15 years, she has provided water system hydraulic and transient analysis for municipal water systems throughout Texas and the Midwest. These include the City of Houston’s Surface Water Transmission Program and the Northeast Transmission Line Feasibility Study, Hydraulic Model Development and Water System Planning Study for the City of Conroe, Water Distribution System Master Plan and Water Model for the City of Pflugerville, as well as the Surface Water System Planning for the West Harris County Regional Water Authority, Houston. Mack received her bachelor’s degree in mechanical engineering from the Massachusetts Institute of Technology and a master’s degree in hydrology from the Imperial College of Science, Technology & Medicine, London.
 
“From the time she joined the firm, Melissa has played a pivotal role in LAN’s success,” said Arnold Cohen, P.E, LAN’s vice president. “Her outstanding leadership and dedication has helped grow our infrastructure large diameter business group immensely. She also was a driving force behind the successful launch of our new Montgomery County office.”
 
Terrazas, who joined LAN in 2006, leads the firm’s structural & bridge team. He has more than 13 years of experience inspecting, planning, designing and load rating highway and railway structures. His experience includes two years with the Texas Department of Transportation in the Fort Worth District Bridge Design Section, and serving as the structural technical lead for projects ranging from multi-level interchanges and multi-modal bridges to off-system bridge replacements. In addition to his extensive experience as a bridge designer, his expertise also includes retaining wall and culvert design. Terrazas serves as a panel member overseeing AASHTO’s LRFD Bridge Design Specifications for Light Rail Transit Loading (NCHRP 12-92) and is a member of AREMA Committee 8. Terrazas received his bachelor’s degree in civil engineering from the University of Texas at Austin, and a master’s degree in structural engineering from the University of Texas at Arlington.
 
“In a short span of three years, Terrazas has rapidly grown our bridge team and differentiated it in the transportation marketplace,” said Cohen. “Under his leadership, we are looking forward to further improving our service to our clients and continuing the firm’s growth in the coming years.”

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