Philadelphia

Cody S. Klein, FASLA

Cody joined OJB in 2011. As a Partner leading OJB’s Boston and Philadelphia offices, Cody stands out as a formidable driving force in the world of landscape architecture, steering the ship of innovation and design excellence. With a penchant for leadership and a commitment to design excellence, Cody’s influence has been nothing short of transformative. As Partner-in-Charge for projects from New England to the Southeast to the Midwest, his unique blend of creative ingenuity and a profound appreciation for the environment has yielded award-winning projects that not only captivate with their elegance but also endure through time with their practicality. Beyond his portfolio, Cody’s ability to foster inclusivity and collaboration within the design process makes him an invaluable asset to the company. Originally from a small town in rural Arkansas, Cody draws inspiration from both urban living in Boston and a deep connection to the outdoors.

In 2024, he was elevated to the American Society of Landscape Architects Council of Fellows, the highest honor bestowed upon a landscape architect for their contributions to the profession. He is also a proud Alumni and frequent speaker at Oklahoma State, recently being selected as the Ferguson College of Agriculture Alumni Early Career Achieve award. In his free time, Cody finds inspiration in the intimate moments of nature. He enjoys exploring Vermont with his family, where he is an avid cyclist and skier.

Sam Heritage, ASLA

Sam joined OJB in 2013 with the Houston office before transferring to the Philadelphia office in 2018. He earned a Bachelor of Landscape Architecture from Pennsylvania State University. With more than 13 years of experience in workplace, park, educational, retail, and mixed use, Sam works closely with clients and project teams to lead design, development, and execution of project plans. As a Principal, Sam’s strong background in project execution, management and quality assurance allows him to efficiently guide diverse and technically challenging projects through successful completion. He believes a good outdoor space is characterized by thermal comfort, planting shade, and human safety. As a leader in the Philadelphia office, he also understands the importance of collaboration and is dedicated to working with his team and clients to create landscapes that are accessible and welcoming to all. Growing up in the greater Philadelphia area, he is keenly attuned to the potential for landscapes and outdoor environments to enhance and rejuvenate urban communities. In his free time, Same enjoys spending time with his family, and reading books.

Allison Harvey, ASLA, PLA

A Principal in the Philadelphia office, Allison earned a Master of Landscape Architecture and a Master of Architecture from the University of Pennsylvania and a Bachelor of Arts in Physics from Coe College. She is a licensed landscape architect in Pennsylvania. Allison has over 15 years of professional experience combining practical research with emerging design practices. As a co leader of OJB* Lab, she is a passionate advocate for finding evidence-based solutions to our complex and interrelated environmental challenges. She was the Primary Investigator for an 18-month interdisciplinary field study funded by the Landscape Architecture Foundation, which focused on measuring and analyzing the impact of air pollution point sources on landscapes adjacent to highways. A multi-industry advisory group was assembled to review the data and help develop better industry practices. Through the lab, she draws on her background in physics and material sciences as she continues to find new performance standards and approaches in project applications. An advocate for equity and accessibility, Allison is active with several landscape architecture committees including Philadelphia’s Design Advocacy Group, the Landscape Architecture Foundation, and the Transportation Research Board.