Ruby Associates A Degenkolb Company

Building a better future through innovative solutions

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About the firm

Founded in 1940 and headquartered in San Francisco, Degenkolb Engineers delivers customized structural engineering and construction engineering solutions. Operating as part of Degenkolb, the practice provides specialized services across key sectors, including healthcare, education, science and technology, forensics, and federal buildings. It integrates decades of experience with a collaborative approach to solve complex building challenges.

Established
1940
Firm type
Structural Engineering · Forensic Engineering

People

Stacy BartolettiChief Executive Officer and Chairman

Tricia RubyChief Financial Officer

Carrie MitchellSenior Principal, Specialty Systems Working Group Leader

Loring WyllieSenior Principal

Jeff RoiPrincipal

Walterio A. LópezPrincipal

Abe LynnAssociate Principal

Adam Hugo-HolmanPrincipal

Adrian NacamuliPrincipal

Alan RobertsAssociate Principal

Alfred TranOffice Director, Principal

Allison ShenbergerPrincipal, Group Director

Alex BarnesAssociate

Alex MotznyAssociate

Aimee NalleDirector of People

Capabilities

Civic

Designs public and civic structures tailored to community needs and long-term durability.

Commercial

Develops innovative structural solutions for retail, mixed-use, and commercial office developments.

Construction Engineering

Delivers practical, high-scale engineering solutions to support contractors throughout the building lifecycle.

  • Contractor Support Services

    Assists contractors in executing diverse and complex construction projects with structural design and scheduling solutions.

Design Practice

Integrates structural expertise into early-stage planning and architectural collaboration.

Education

Structural design for K-12 and higher education institutions, focusing on safety and modern learning environments.

Federal Services

Provides secure, compliant engineering solutions for federal agencies and public buildings.

Healthcare

Provides customized structural engineering and compliance solutions for medical facilities, including seismic evaluations and retrofits.

  • Seismic Evaluations & Retrofits

    Conducts detailed seismic performance assessments and structural retrofits for healthcare facilities to meet safety mandates.

  • HCAI NPC/SPC Compliance

    Specialized project management and engineering for HCAI (formerly OSHPD) NPC/SPC compliance initiatives in California.

Industrial Manufacturing

Designs robust structural frameworks for factories, manufacturing units, and industrial facilities.

Property Loss and Forensics

Investigates structural failures, assesses damages, and provides expert forensic analysis.

  • Seismic Evaluation

    Evaluates existing buildings for seismic resilience and structural integrity.

Science and Technology

Structural systems engineered for high-performance laboratories, research centers, and cleanroom environments.

Specialty Systems

Develops specialized structural components and non-structural building systems.

Industries

Commercial · Education · Federal · Government · Healthcare · Industrial · Manufacturing · Research Facilities

Projects

No projects listed yet.