Frank Ricciardi, PE, LSP

Frank Ricciardi, PE, LSP

Frank is CEO of the firm, after serving for many years as Vice President and Discipline Leader for the firm’s Environmental, Geotechnical, & Energy program. Frank has more than 30 years of experience in project management, climate resiliency design. environmental engineering, remediation system design, and hazardous waste site assessments. “Working with our clients to tackle […]

Jeff Alberti, LEED AP

Jeff Alberti, LEED®AP

Jeff is President of Weston & Sampson Engineers. Jeff joined Weston & Sampson in 2006 as a Senior Project Manager and has more than 25 years of experience assisting clients with planning, design, and construction administration services for a variety of municipal and industrial facilities. A LEED® Accredited Professional, Jeff’s expertise has been providing operationally […]

Leah Stanton

Leah Stanton, PE

Leah is COO of the firm, and Discipline Leader of our Water program. She has more than 20 years of experience in the study, design, and construction of water supply, storage, distribution, and treatment systems. “My career at Weston & Sampson is fulfilling and rewarding on many levels. I enjoy the work we do, my […]

Steve Richard

Steve Richard, PE, CPO

Steve is President of the firm’s Construction, Maintenance, and Repair group. He has more than 30 years of experience in the design, construction, and project management of municipal water, wastewater pump stations, treatment facilities, and aquatic facilities. “Working with great professionals to provide proactive innovative solutions for our clients is very rewarding. Being a true […]

Peter Kolokithas

Peter Kolokithas, PE

Peter is President of Weston & Sampson’s Services group. He oversees a staff of nearly 90 employees in the provision of water and wastewater treatment, distribution and storage, cross connection control, and health and safety services for public and private clients throughout New England. He has extensive experience in managing interdisciplinary project needs. “I’m fortunate […]

Cheri Ruane, FASLA

Cheri is Chief Development Officer and Design Discipline Leader. She has over 25 years of multi-disciplinary experience including special expertise with socially and technically complex sites, building political consensus, and facilitating public participation. “Weston & Sampson is committed to truly interdependent design where our disciplines collaborate to craft the best possible solution to the most […]

Colleen Manning.

Colleen Manning

Colleen is a Vice President and has served as the Director of Human Resources since joining the firm in 1997. She has more than 20 years of experience in the human resources field and is responsible for handling corporate benefits and employee relations, recruiting, and training. “At Weston & Sampson we focus on maintaining a […]

Chris Kennedy

Chris is an experienced Chief Financial Officer with 30 years of experience in public and private industry settings. He provides strategic direction of all financial functions of the company including accounting, budget, credit, tax and treasury, and is responsible for developing the organization’s overall financial policies. Chris achieved a Bachelor of Science degree in Accounting […]

Patrick Yeo, PE

Patrick Yeo, PE

Patrick joined Weston & Sampson in 2010 as a co-op and worked as an engineer and project manager for water/wastewater/stormwater infrastructure projects until 2023. Promoted to Business Development Manager in 2024, Pat holds a Master of Science in Engineering Management and oversees the firm’s business development initiatives.  Pat serves on the Executive Board of the […]

Eric Reitter, PE, PMP

Eric Reitter, PE, PMP

Eric is a Senior Vice President and serves as Discipline Leader of the firm’s Transportation practice. He has more than 25 years of experience in the leadership of large-scale multidisciplinary engineering, remediation, and construction projects for municipal, commercial/industrial, and federal clients and agencies. “Weston & Sampson’s outstanding quality of work, emphasis on serving clients well, […]