Design Leadership

Sara Hedstrom Pinnell

Founder and Director of Design

Sara has more than twenty years of comprehensive landscape architecture experience. Operating from a professional belief in sustainable design, coupled with a thorough knowledge of plant material and ecological systems, Sara integrates concern for environmentally sensitive design in every project.

Sara has extensive experience as a project manager and landscape architect in diverse settings, including institutional, commercial, residential, recreational, transportation, urban, academic and cultural venues.  She has a strong reputation for excellence in design and client service.

Sara is licensed in Tennessee, North Carolina, Georgia, Virginia, and Kentucky.

Rachel Beasley

Senior Project Manager

Rachel Beasley joined the professional staff of Hedstrom Design in 2008.  She brings to her role 10 years of experience as a practicing landscape architect, having worked on a collection of diverse projects with firms in the Atlanta, GA and Washington, D.C. areas.  Rachel is an active member in the Knoxville design community and volunteers with the East Tennessee Community Design Center.

Rachel received her bachelor’s degree in landscape architecture with a minor in horticulture from the University of Georgia’s College of Environment and Design.  She is a registered landscape architect in Georgia and a Leadership in Energy and Environmental Design Accredited Professional (LEED AP) through the U.S. Green Building Council (USGBC).

John Wisinger

Senior Project Manager

John Wisinger has worked with Hedstrom Design for over eight years, and his experience encompasses a wide range of project types, including urban streetscapes, roof top gardens, residential estates and interior landscapes.  John’s interest in and knowledge of plants have played an integral role in the firm.  Before moving to Knoxville, John worked as a landscape designer in Las Vegas, NV.

John received a bachelor’s degree in landscape architecture from Louisiana State University with a Minor in Horticulture.  He currently acts as program coordinator for the East Tennessee Chapter of the American Society of Landscape Architects as well as the conservation chair for the East Tennessee Whitewater Club.