Our Alliance
PHILLIP REGESKI, P.E.
President
Phillip Regeski, serves as President and Principal Engineer at ECA, bringing extensive expertise in civil and structural engineering to complex industrial, municipal, and infrastructure projects. He has led the design and execution of major developments, including a 5-acre commercial site in Cheyenne, Wyoming, a natural gas compressor facility for the mining industry, and a large-scale water distribution project in rural Nevada. Phillip’s engineering leadership ensures that each project meets high standards of technician precision, regulatory compliance, and long-term functionality. His commitment to innovative solutions and client-centered design continues to shape ECA’s impact across the western United States.
Iysha Moore
Director of Marketing and Business Development
Iysha Moore leads ECA’s marketing and business development efforts with strategic focus on growth, client relationships, and brand visibility. With a background in communications, and a passion for connecting people with impactful engineering solutions, she drives initiatives and expands ECA’s reach across heavy industries and government sectors. Her approach combines creative strategy with strong understanding of industrial trends, ensuring ECA continues to deliver value-driven service to its clients.
Terry Carter
Type of Work: Professional Land
Surveyor Experience: 39 years
Shawn Elfberg, G.C.
Shawn has been in the commercial and residential construction industry, in the capacity of a GC since 1980. He’s worked on a variety of notable projects such as a 13,000 sq ft tenant improvement for the corporate office of Howard Huges, Corp, Las Vegas Motor Speedway and the MGM Grand theme park.
Phillip Wakefield, P.E.
Specializes: Hydrology & Drainage Phillip has over 45 years of experience in civil engineering specifically relating to hydrology and drainage. He’s accumulated extensive experience working with local firms on land development and public works projects. Some of the notable projects he’s worked on include: St.Gabriel Ethopian Orthodox Tewahado Church the Human Bean, Circle K and the Diamond Ford.
Arnel Arches, P.E.
Speciality: Electrical Engineering Arnal has 32 years of electrical engineering experience ranging from electrical design for custom homes to heavy industry.
Jonathan Sparks, P.E.
Speciality: Mechanical Engineering Jonathan has over 30 years of experience in mechanical engineering. He’s worked on a range of projects from custom homes to large industry, commercial buildings and large specialty commercial uses such as theaters, stadiums & restaurants.
George Tambora, P.E.
Speciality: Structural Engineer George has 36 years of experience in structural engineering. He’s worked on a variety of custom homes, large buildings and industrial structures.
