Company > Team

Janah A Risha

Mr. Risha specializes in large scale design and trouble‐shooting the hard‐to‐build, highly technical projects. He has been practicing structural engineering for over 25 years and has extensive experience designing structural systems for diversified building projects. His portfolio includes structural engineering for numerous building projects, performing structural design in steel, concrete, masonry, and timber. Mr. Risha has designed structural rehabilitation and seismic strengthening schemes for numerous buildings, supervising the preparation of plans, details, and specifications.

In addition to traditional building projects, Mr. Risha has also been providing Structural Engineering design and construction documents for the Motion Picture and Television industry since 1994. He is active with several professional organizations, including the Structural Engineers Association of California (SEAOC), serving as President for 2017-2018 term, Structural Engineers Association of Southern California (SEAOSC), serving as its President in 2011-2012, American Institute of Steel Construction (AISC), International Code Council (ICC), and the Fellowship of American Society of Civil Engineers (F.ASCE).


  • Structural Engineer – California and Nevada
  • Professional Engineer – Civil – California and New Jersey

Professional Affiliations

  • President 2017-2018, Structural Engineers Association of California (SEAOC)
  • Fellowship of American Society of Civil Engineers (F.ASCE)
  • American Concrete Institute
  • American Institute of Steel Construction
  • Applied Technology Council
  • International Code Council
  • Associate AIA Member

Professional Memberships

  • Past President and Member of the Structural Engineers Association of Southern California (SEAOSC)
  • Past Chair, SEAOC Building Code Streamlining Committee
  • SEAOSC Existing Buildings Committee and SEAOSC Building Code Committee
  • Chair of Technical Committee , SEAOC 2006 Convention
  • ASCE Standards Committee on Condition Assessment of Buildings
  • ASCE Standards Committee on Seismic Rehabilitation of Buildings

Project Experience Types

  • Educational
  • Healthcare
  • Commercial
  • Residential (Multi and Single Family)
  • Civic
  • Entertainment


  • Masters of Science, Civil Engineering – Stanford University, Stanford, California
  • Bachelor of Science, Civil Engineering – Texas Tech University, Lubbock, Texas
 Robert T. Lyons, S.E.

Mr. Lyons is a well respected structural engineer with over 35 years of design experience and is one of the industries leading experts in all aspects of structural engineering in California. Bob understands better than most the operational needs of the client and the stringent demands of the California regulatory environment. As Principal, Bob is responsible for all phases of project development, structural design and system selection, seismic design, construction administration and client interface. His broad portfolio of design work includes major projects in the healthcare field, education and earthquake engineering, to modernizations, as well as demonstrated professional expertise in alternative structural systems and construction materials.

Bob has been the structural and civil engineer of record for many out-of-state projects and is licensed in 12 states. Bob’s technical prowess and mastery is evident in some of the types of projects he has managed, which include several projects for Los Angeles Unified School District (under DSA regulation), Harbor UCLA Medical Center, Scripps Memorial Hospital and several Kaiser Medical Facilities. Also, Bob has served on numerous structural committees, resulting in published code provisions. A couple of Bob’s most recent achievements are his election to President of the Structural Engineers Association of Southern California (SEAOSC), and receiving the S.B. Barnes Research Award 2017 for his contributions to SEAOSC and the industry.


  • Professional Engineer – Civil – California, Colorado, Maryland, Massachusetts, Michigan, Minnesota, New Hampshire, North Carolina, South Carolina, Utah, and Washington
  • Structural Engineer – California and Massachusetts

Professional Affiliations

  • President 2017-2018, Structural Engineers Association of Southern California (SEAOSC)
  • Member SEAOSC and SEAOC, Member Status Forever, Honorary Member of SEAOSC since 2010
  • Committees – seminar committee, code committee, steel committee (co‐chair 1998, Steel testing and Inspection Sub‐committee, Seismology (vice chair 2000/2001, chair 2001 to 2006), SEAOSC Board of Directors (2003 to 2005)
  • Professional Member of AISC 1997 to present
  • Committees – Seismic Provisions for structural Steel Buildings and Prequalified Connections for Special and Intermediate Steel Moment Frames

Project Experience Types

  • Entertainment Projects
  • Commercial TI projects
  • Commercial buildings
  • Hospitals, new facilities
  • Hospitals, expansions
  • Hospitals, SB 1953 SPC and NPC evaluations and upgrade
  • Hospitals and MOB department upgrades
  • MOB’s
  • Public schools
  • Forensic investigations of failures and litigation preparation
  • Seismic and structural investigations using ASCE 31 and 41
  • Central plants, hospital and commercial
  • Seismic restraint design and detailing of overhead utility systems
  • Equipment anchorage and non‐building structures
  • Structural frames for support of RF shielding enclosures worldwide for ETS Lindgren
  • Access floor designs for Tate and their installers nationwide, as well as installers of systems by other manufacturers.


  • Contributing author, Seismic Provisions for Structural Steel Buildings AISC 2005 (ANSI/AISC 341‐05)
  • Contributing Author, Prequalified Connections for Special and Intermediate Moment Frames for Seismic Applications AISC 2005 (ANSI/AISC 358‐05)
  • Recommended Lateral Force Requirements & Commentary, 1999, 7th Edition, Co‐Leader of Chapter 7 (Steel).
  • Co‐author, 1994 Northridge Earthquake case Studies, Chapter 1.15 Three Tilt‐Up Buildings, tilt up Seismic Safety Commission, 1995
  • Lead author, Commentary and Recommendations on FEMA 350, SEAOC Seismology Committee, January 2002.
  • Authored and presented numerous technical presentations between 1994 and today.
  • Peer reviewer, AISC Engineering Journal Articles, 2000‐2005


  • Bachelor of Science, Civil Engineering – Cum Laude ‐ University of California, Los Angeles, CA

 Rimah I. Nazzal, S.E.






Mr. Nazzal has over 25 years of experience in structural evaluation, analysis and design, and project management of a wide variety of facilities. As the Principal in charge of the Las Vegas office, his responsibilities include the day to day operations, business development and staff supervision in addition to the technical engineering by performing seismic evaluations of structures, selection and design of lateral force resisting systems along with foundation systems, and preparation of construction documents and specifications.

During the past three code adoption cycles in the Las Vegas valley, Mr. Nazzal has been very active in the local review process of the International Building Code (IBC). As past president of the Structural Engineers Association of Southern Nevada (SEASoN), he has participated extensively with local agencies and engineers in the development of the local amendments to the IBC. He has specialized expertise in the use of engineering software for computer simulation and analyses of frames and buildings such as RISA-3D, ENERCALC, STAAD/Pro and RAM Structural System. Mr. Nazzal is proficient in supporting software such as CAD, project schedulers, spreadsheets and word processors. His practical knowledge of the International Code Council – International Building Code (IBC), American Society of Civil Engineers – Minimum Design Loads for Buildings and Other Structures (ASCE 7), American Concrete Institute – Building Code Requirements for Structural Concrete (ACI 318), and American Institute of Steel Construction – Steel Construction Manual makes him an asset to Risha Engineering’s structural team.

Mr. Nazzal provided structural engineering services for some of the projects that received recognition and awards, these are:

  • 2008 Top Projects, Southwest Contractor, McCarran Terminal 3 Roadways
  • Best of Nevada 2007 (Concrete), Southwest Contractor, I-515 Sound Wall Barriers
  • Project of the Year, Construction Specifications Institute, I-515 Sound Wall Barriers


  • Professional Structural Engineer – Illinois, Massachusetts, Nevada and Wyoming
  • Professional Civil Engineer – California, Nevada and Wyoming
  • Professional Engineer – Florida, Iowa, Maryland, New York, Oklahoma, Pennsylvania, Tennessee and Texas

Professional Affiliations

Structural Engineers Association of Southern Nevada, Member SE and Past President

Project Experience Types

  • Water treatment plants
  • Water reservoirs
  • Pump stations
  • Airports
  • Convention centers
  • Commercial buildings
  • Industrial buildings
  • Shopping centers
  • Track homes
  • Custom homes
  • Concrete vaults and manholes for pipelines
  • Flood control open channels and detention basins
  • Underground concrete box culverts
  • Pedestrian bridges
  • Highway bridges
  • Sound barriers
  • Fence walls
  • Mechanical and electrical equipment supports and anchoring
  • Mechanical and plumbing pipe supports and lateral bracing
  • Shade structures and car ports
  • Solar panel supports
  • Power transmission poles
  • Light pole foundations
  • Retaining walls.


  • Bachelor of Science, Civil Engineering, California State Polytechnic University, Pomona, CA

Mr. Breaks’ breadth of skills and experience spans over 20 years in the structural and civil engineering fields. Matthew’s expertise includes inspection of concrete, steel and timber bridges, tunnels, trusses and other structures. His flexibility in working with clients and design professionals helps deliver seamless solutions to complex structural requirements from design development through project completion. Matthew is experienced in structural analysis utilizing steel, concrete, masonry and wood, and has completed projects in California, Virginia, Maryland, North Carolina, Florida, Arizona and Washington D.C. His experience in working with high seismic  requirements makes him skilled in anticipating and resolving potential conflicts before they become challenges.

Some of Matthew’s most notable work includes: managing major structural renovations, including the addition of multiple new structures, at the Aerojet Rocketdyne De Soto campus in Canoga Park, CA; structural design services for the Cirque du Soleil production “Iris” located in the Dolby Theatre in Hollywood, CA; structural design and construction support services for the 300,000 square foot multi-use facility Atlantic Times Square in Monterey Park, CA, which included a 14- Plex Movie Theatre; and, the award winning Saban Media Center for the Television Academy in North Hollywood.


  • Professional Engineer – Civil – California and Virginia
  • Structural Engineer – California

Professional Affiliations

  • Structural Engineers Association of California (SEAOC)
  • Structural Engineers Association of Southern California (SEAOSC)
  • American Society of Civil Engineers
  • American Institute of Steel Construction

Project Types

  • Entertainment projects
  • Theatre and performance venues
  • Educational projects
  • Commercial buildings
  • Commercial TI projects
  • Industrial projects
  • Mixed-use projects
  • Multi-family residential
  • Custom homes
  • Seismic and structural investigations using ASCE 31 and 41
  • Equipment anchorage and non-building structures
  • Seismic retrofit of existing structures Fall Protection
  • Temporary structures
  • Highway bridges
  • Pedestrian bridges
  • Tunnel and bridge inspections Truss inspections
  • Water treatment plants
  • Pump stations

Project Awards

  • The Saban Media Center: SEAOSC Excellence in Structural Engineering for Landmark Structures Los Angeles Business Council Architectural Award of Excellence for Commercial Office Buildings & Headquarters San Fernando Valley Business Journal Best Office Project, IIDA Calibre Award for Entertainment Best Project Cultural/Worship, ENR Southern Regional Winner.
  • Alliance Academy High School: SEAOSC Excellence in Structural Engineering Award of Merit, for the Retrofit/Structural Alteration Category