Keith M. MacBain, Ph.D., P.E., S.E.

President, Principal, & Chief Analyst


  • B.Sc. summa cum laude, Civil Engineering, New Jersey Institute of Technology, Newark, NJ
  • M.Sc., New Jersey Institute of Technology, Newark, NJ
  • Ph.D., New Jersey Institute of Technology, Newark, NJ

Career Synopsis

Keith MacBain began working with Geiger Engineers in 2002. His areas of specialization include structural engineering with emphasis on computational methods in optimization and nonlinear response of structures. He is actively interested in areas of structural optimization, stability, and nonlinear dynamic analysis. Keith became an Associate in the firm in 2009, a Principal in 2013, and became President in late 2022.

Project Experience

Principal-in-Charge for:
  • Credit One Stadium Upper Deck Dynamic Study, Daniel Island, Charleston, SC
  • Crop Span PV Concept Development- Agricultural solar energy support structure
  • Allegiant Stadium Show Rigging Evaluation Study, Allegiant Stadium, Las Vegas, NV
Senior Analyst, Project Engineer for:
  • JMA Wireless Dome Signage, Syracuse University, Syracuse, NY
  • NYRA Paddock Post Bar Structure Dynamic Evaluation and Retrofit, Saratoga Springs, NY
  • Credit One Stadium Renovation, Daniel Island Tennis Center, Charleston, SC
  • Port Miami Cruise Terminal F 2.0 Canopies, Miami, FL
  • Syracuse University Stadium (aka JMA Wireless Dome) New Roof, Syracuse, NY
  • Allianz Field, MLS Stadium, Tension Membrane Façade Engineering, St. Paul, MN
  • USTA New Armstrong Stadium, Structure & Mechanization, New York, NY
  • Freeman Coastal Arts Amphitheater Retractable Canopy Concept, Selbyville, DE
  • USTA NTC Octagon Draw Board Structure, New York, NY
  • US Bank Stadium, Retractable Seating, 3 rd Party Review, Minneapolis, MN
  • US Bank Stadium, Construction Engineering, Minneapolis, MN
  • USTA Ashe Stadium, New Retractable Roof Mechanization, New York, NY
  • BC Place Stadium, New Retractable Roof, Vancouver, British Columbia, Canada
  • Miami Dolphins’ Stadium Roof Canopy Investigation, Miami, FL
  • Rubb Building Systems, Structural Optimization and Prototype Study
  • Memorial Square Stage Platform Canopy Tensile Structrure, Barrie, Ontario, Canada
  • Honolulu Rail Transit (HART) Project, Station Platform Canopies, Honolulu, HI
  • Marvel Experience, Touring Air-Supported Domes, North America
  • Finding Neverland, Flying performer system, Lunt-Fontanne Theater, New York, NY
  • BC Place Stadium, New Retractable Roof Staged Erection Sequence Analyses, Vancouver, British Columbia, Canada
  • CNOOC Nexen Stage Canopy, Shell Place, MacDonald Island Park, Fort McMurray, Alberta, Canada
  • Iglesia ni Cristo, Philippine Arena, Roof Structure Peer Review, Manila, Philippines
  • Super Bowl XLIX Half Time Rigging, University of Phoenix Stadium, Glendale, AZ
  • 2011 Pan Am Games Ceremonies, Guadalajara, Mexico
  • Siemens Water Technologies’ Pneumatic Dome Study
  • Miami Zoo Amphitheater Canopy Evaluation, Miami, FL
  • Madras New Life Celebration Centre, 55,000 seat church, Chennai, India
  • Children's Medical Center Tensile Membrane Entrance Canopies, Dallas, TX
  • Crystal Bridges Museum of American Art, Roof Erection Engineering, Bentonville, AR
  • Cirque du Soleil Zed Set Structure, Tokyo, Japan
  • Minnesota Zoo Leopard Environment Cablenet Enclosure, Minneapolis, MN
  • Carrier Modular Outfitting Facility, Retractable Roof, Newport News, VA
  • TD Arena, College of Charleston, Charleston, SC
  • Eminem Concert Temporary Staging at Comerica Park, Detroit, MI
  • GM Trade Show Exhibition Structure, Modular touring system
  • POTB Hooley Digester Tank Pneumatic Covers, Port of Tillamook Bay, OR
  • 2008 Grammy Awards, Production Rigging, Staples Center, Los Angeles, CA
  • Aqua Theater Performance Lifts, Le Reve, Wynn Resort, Las Vegas, NV
  • Little Shop of Horrors, Rigging Evaluation, Virginia Theater, New York, NY
  • Metcalf Energy Center, Architectural Screens, San Jose, CA
  • nTelos Amphitheater Tensile Membrane Canopy Investigation, Portsmouth, VA
  • Sprint Center Arena, Precast Concrete Seating Validation, Kansas City, MO
  • Virginia Center Canopy, Reno, NV


  • Structural Optimization, William R. Spillers and Keith M. MacBain, Springer, ISBN 978-0-387-95864-4
  • "A Relation between Tensile and Tear Strength for Design of Architectural Fabrics", VII International Conference on Textile Composites and Inflatable Structures, STRUCTURAL MEMBRANES 2015, CIMNE, Barcelona, Spain
  • "Exploring the Use of Three-Dimensional Dispersion to Damp Building Vibrations", MacBain, K., and Spillers, W. R., Journal of Engineering Mechanics, Vol. 125, No. 8, March 2004
  • "Examples of Stress Hardening and Softening in Three-Dimension Beams", MacBain, K., Saadeghvaziri, M. A., and Spillers, W. R., Journal of Structural Engineering, Vol. 125, No. 8, September 1999
  • "Material Properties of Recycled Plastics and Analytical Modeling", MacBain, K. and Saadeghvaziri, M. A., Journal of Materials Engineering and Performance, ASM International, Vol. 8 (3), June 1999


  • U.S. Patent No.10,487,874: Non-Linear Bearing Release for Large Moveable Structures, co-inventors: Timothy Mills, David Campbell.

Professional Registration

  • P.E.: Arkansas, Florida, Georgia, Illinois, Indiana, Missouri, Nevada, New York
  • S.E.: Georgia, Illinois, Nevada
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