1. GREGORY A. HILLEBRENNER, PE
Vice President and Senior Project Manager for MWH, Inc. (formerly Harza Engineering Company and now part
of Stantec) with 40 years of project management and civil/structural design experience for large water
resources projects that include dams, spillways, navigation locks, tunnels, shafts, underground structures, and
environmental restoration. Completed a 5-year expat assignment in Panama (October 2014) as a manager for
the design team for the $3.5 billion Third Set of Locks for the Panama Canal Expansion Program, serving in roles
as Deputy Design Manager and Design Manager. Prior to that assignment, served as the Chief Engineer for the
$1.8 billion Acceler8 portion of the Everglades’ Restoration Program in South Florida.
Registered Professional Civil Engineer and a member of the American Society of Civil Engineers (ASCE) and
Project Management Institute (PMI).
EDUCATION:
Bachelor of Science, Civil Engineering (Structures), University of Illinois (Urbana), 1976
PROFESSIONAL ENGINEER REGISTRATION: Illinois, Florida
PARTIAL MWH EXPERIENCE RECORD (PAST 25 YEARS):
• Panama Canal Expansion Program – Third Set of Locks Project: Design Manager (2013-2014), Deputy
Design Manager (2009-2013) and Pacific Complex Lead Quality Assurance Engineer (2009-2013) for this
$3.5 billion design-build project, which is the key portion of the overall $5.25 billion Panama Canal
Expansion Program to add a new Atlantic and Pacific Locks Complexes to accommodate the large Post-
Panamax container vessels. MWH is the lead design firm for the Design Joint Venture that consists of
three firms (MWH, Tetra Tech, Iv Groep) in five design centers located in the USA, Argentina,
Netherlands, Italy and Panama. The TSL Project was inaugurated and went into commercial operation
during June 2016. Currently serving the project team in an advisory/coordination role (2009-2016).
• Acceler8 Everglades Restoration Program: Project Manager for the Jacobs/MWH Joint Venture (JMJV)
team providing on-site and off-site program management support services to the South Florida Water
Management District (SFWMD) for the $1.8 billion Acceler8 Everglades Restoration Program (2006-
2009).
• Acceler8 Everglades Restoration Program: Chief Engineer for SFWMD’s Acceler8 Program, responsible
for technical completeness and quality reviews of all construction documents prepared by third-party
Design Consultants for this $1.8 billion environmental restoration Program for Everglades’ restoration in
South Florida (16 projects) (2004-2009).
• San Roque Multipurpose Project: Project Manager for engineering services as Sithe Energies Owner's
Engineer during the proposal, financial closure, design and construction for this $800 million Design-
Build multipurpose project (hydropower, flood control, irrigation, water quality) in the Philippines that
included a 200-meter high dam, underground powerhouse and large spillway (1996-2003).
• TARP Torrence Avenue Tunnel System: Project Manager for design of MWRDGC’s $160-million, 8.1-
mile combined-sewer overflow project for pollution and flood control in Chicago (1995-2003).

2. GREGORY. A. HILLEBRENNER, PE
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• CUP-McCook Reservoir, Distribution Tunnel System: Project Manager for design of the $50-million
McCook Distribution Tunnel System the USACE-Chicago District (1999-2002).
• CUP-McCook Reservoir Project: Project Engineer and Assistant Project Manager for preparation of the
Design Memorandum for this large Chicago-area flood control project for the USACE-Chicago District
(1993-1994).
• Montgomery Point Lock and Dam: Project Engineer and Civil/Structural Technical Reviewer for
preparation of the Feature Design Memorandum, and plans and specifications for a new 500 ft. long
concrete dam with navigable pass across the White River for the USACE-Little Rock District (1994-1997).
• 79th Street Water Tunnel Extension: Project Engineer and Assistant Project Manager for design of a
$50-million, 3.6-mile potable water tunnel extension with two “live” connections to existing water
tunnels (1993-1999).
• TARP North Branch Tunnel System: Lead Civil/Structural Engineer and Assistant Project Engineer for
MWRDGC’s $170 million, 9.5-mile combined sewer overflow project for pollution and flood control
(1991-1999).
• Chicago Freight Tunnel System: Project Manager for the engineering condition assessment and capital
improvements program of the existing 40-mile Chicago Freight Tunnel System, which included
inspections, development of capital improvement, maintenance programs, emergency action plans
and regular inspections of all river crossings (1993-1998).
• Chicago Freight Tunnels System Emergency Dewatering and Bulkhead Construction: Project Engineer
and Lead Civil/Structural Engineer for providing engineering support to the City of Chicago and
coordination with the USACE-Chicago District for emergency dewatering of the existing 40-miles of
tunnels following its April 1992 breach below the Chicago River and subsequent flooding and Project
Manager for design of 26 permanent concrete bulkheads at ten Chicago River crossings of the freight
tunnels to prevent future flooding, including six permanent access shafts (1992-1993).
PUBLICATIONS:
Hillebrenner Gregory, Design of the Third Set of Locks for the Panama Canal Expansion Program, 100 Years of
the Panama Canal: Celebrating the Centennial 1914-2014, Faircourt Media, 2014.
Hillebrenner Gregory, Designing the Panama Third Set of Locks, Port Technology (Edition 63), 2014.
Hillebrenner Gregory, Sustainable Freshwater Solution for New Panama Canal Locks, World Water (Volume 37,
Issue 6), 2014.
Hillebrenner, Gregory, Phillips, Bruce and Kivett, Jeffrey, Lessons Learned from Construction of Prototype
Embankment Dams in South Florida, U.S.Society of Dams 2008 Annual Conference Proceedings, Portland, OR,
2008.
Hillebrenner, Gregory, Phillips, Bruce and Kivett, Jeffrey, Practice Makes Perfect – Lessons Learned from
Construction of Prototype Embankment Dams in South Florida, Association of State Dame Safety Officials 2007
Annual Conference Proceedings, Austin, TX, 2007.
G.A. Hillebrenner and C.M. Koniarski, co-authors, Chicago Freight Tunnel Flood, International Conference on
North American Tunneling '96, Washington, 1996.
Hillebrenner Gregory, Roller-Compacted Concrete Dams, Handbook of Applied Hydraulics, 1993.