What departments does OLIN have?

OLIN has employees across 6 departments including Human Resources, Administrative, Engineering, Program & Project Management, Arts & Design.

What is the largest department at OLIN?

The largest department at OLIN is Human Resources with 2 employees.

Where are OLIN employees located globally?

OLIN has employees across 4 continents and 11 countries including China, Saudi Arabia, Malaysia, Russian Federation, France.

How has OLIN's team size changed over time?

OLIN's team has decreased from approximately 109 to 102 employees based on available data.

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OLIN Employee Directory

Architecture and PlanningPennsylvania, United States51-200 Employees

OLIN is a landscape architecture and planning practice focused on shaping the public realm to foster social interaction and well-being. The firm works across scales—from ecological and regional systems to campuses, civic parks, plazas, and intimate gardens—and across settings such as urban districts and campuses. With studios in Philadelphia and Los Angeles, it designs spaces that respond to local context and aim for lasting relevance. Sustainability guides its holistic approach, combining natural processes with technical innovation to create contemporary places.

OLIN collaborates with clients, architects, engineers, artists and communities to build consensus among diverse interests while maintaining high design integrity. The company operates within the architecture and planning industry in the United States and undertakes projects both locally and internationally.

OLIN Global Highlights

North America
133

United States Of America
129
Canada
3
Mexico
1

Asia
5

China
2
Saudi Arabia
1
Malaysia
1
Russian Federation
1

Europe
5

Romania
3
France
1
Germany
1

OLIN's Leadership

S. W.
Partner
Mobile Phone
Email
M. U.
Human Resources Director
Mobile Phone
Email
A. R.
Business Office Manager
Mobile Phone
Email
G. E.
Manager Human Resources And Administrative Services
Mobile Phone
Email
P. G.
Office Manager
Mobile Phone
Email
C. M.
Senior Landscape Architect
Mobile Phone
Email
G. T.
Sr. Project Engineer
Mobile Phone
Email
P. P.
Senior Landscape Architect
Mobile Phone
Email

OLIN Employee Metrics

100%

50%

2026

2025

Arts & Design
Community & Social Services
Information Technology
Program & Project Management
Accounting
Other
Manufacturing
Branding
Business

Contact profiles from OLIN

Name

Title

Contact Info

Location

Last Update

S. W.
Partner
Mobile Phone
Email
Oct 22, 2024
M. U.
Human Resources Director
Mobile Phone
Email
Mar 06, 2024
A. R.
Business Office Manager
Mobile Phone
Email
Oct 22, 2024
G. E.
Manager Human Resources And Administrative Services
Mobile Phone
Email
Oct 22, 2024
P. G.
Office Manager
Mobile Phone
Email
Oct 17, 2024
C. M.
Senior Landscape Architect
Mobile Phone
Email
Oct 23, 2024
G. T.
Sr. Project Engineer
Mobile Phone
Email
Canada
Jan 31, 2024
P. P.
Senior Landscape Architect
Mobile Phone
Email
Oct 23, 2024
C. L.
Associate
Mobile Phone
Email
Jun 24, 2026
C. W.
Landscape Designer
Mobile Phone
Email
Jun 29, 2026

Frequently Asked Questions

What is OLIN known for?

OLIN was founded in 1976 operates in the Architecture and Planning industry; you can contact the main corporate office by phone at

+1-215-440-****

. Explore OLIN's company overview page for more information.

What is OLIN's most common email format?

OLIN employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more OLIN email formats with LeadIQ.

How many employees does OLIN have currently?

OLIN has approximately 167 employees as of July 2026. These team members are located across 3 continents, including North AmericaAsiaEurope.

Who are OLIN's key employees and leadership?

As of July 2026, OLIN's key employees include:

Partner: S. W.
Human Resources Director: M. U.
Business Office Manager: A. R.
Manager Human Resources And Administrative Services: G. E.
Office Manager: P. G.

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OLIN Employee Directory

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