Meet Our Team

Watermen is a partnership of experienced marine and waterfront professionals that focus on the coastal urban environment. Our practice is wide-ranging and our reputation for delivering on our clients’ needs and visions is stellar.

Andy Raichle, PE

Founder, President

Paul Calabrese, PE

Managing Partner

Nicholas DeCotiis, PE

Vice President, Principal Engineer

Michael Sinnema

Vice President, Regulatory & Permitting

Our Services

We recognize the role design plays in shaping a sustainable future.

Marine & Waterfront

Watermen’s core expertise is focused on marine & waterfront projects. Our staff has delivered projects throughout the US and Caribbean, and we provide a full suite of capabilities for marine projects.


Watermen delivers a complete range of municipal engineering & environmental services, with a particular emphasis upon New Jersey’s urban and coastal communities. We specialize in infrastructure, redevelopment and recreational projects.

Residential & Commercial

Watermen delivers development projects from inception to occupancy. We implement our clients’ vision – delivering on-time and value-driven results that are demanded by the
uniquely challenging development industry.

Coastal Hazards

Watermen provides solutions for coastal hazards created by floods and waves. Our practice is seasoned with the personal experiences of hurricane impacts, and our storm response efforts have spanned a geography that includes the Caribbean and US Southeast and Northeast regions.


Watermen has built an infrastructure practice based upon experience with some of the nation’s largest public projects, including highways, bridges, tunnels, utilities and rail.


Watermen serves industrial development, operations and maintenance. We understand that industry operates in a heightened regulatory state and that all facets of the business require careful attention to industry standards, environmental regulations and community relationships.

Regulatory Permitting

Watermen recognizes the importance of regulatory entitlements & compliance to all projects. We identify, pursue and deliver entitlements for the most challenging of environments.

Offshore Wind

Watermen is experienced in offshore wind transmission and port facility development. Our
expertise is enhanced with decades of experience design, permitting and delivering traditional utility projects as well as our expertise in developing both greenfield and brownfield port facilities.