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Grounds & Horticulture Staff

Jeff Jabco

Director of Grounds and Coordinator of Horticulture for the Scott Arboretum of Swarthmore College, has been on staff since 1990.  Before coming to Swarthmore, he worked for Penn State University Cooperative Extension as a horticulture agent in southeastern Pennsylvania.  He also owned and operated a garden design and vegetable production business.  Jeff is a graduate of Penn State University and has a Master's degree from North Carolina State University in horticulture/plant breeding and plant pathology.

Daniel Blanton

Dan has worked at the Scott Arboretum of Swarthmore College since 1976, and for most of those years was a member of the athletic field crew.  He has registered technician status in pesticide application and integrated pest management training.

Sandra Lopez Cortez

Sandra grew up in Guanajuato, Mexico and moved to Kennett Square at age 14.  She attended Penn State University for three semesters then continued her education at Longwood Gardens.  Sandra graduated from the Professional Gardener Program at Longwood in 2013 and worked at Doe Run Farm LLC in Coatesville for a year growing vegetables and micro greens.  Sandra became a member of the Scott Arboretum Staff in 2015.  She plans ton continuing her education to obtain her Bachelors Degree in Horticulture.

Andrew DeGothseir

Andrew joined the staff in 2019.  He holds a Bachelors degree in Ornamental Horticulture and Environmental Design from Delaware University.  Before joining the horticulture staff, he worked at Haverford College, the Westtown School, Heny Schmieder Arboretum, the Lutheran Theological Seminary at Philadelphia and Germantown Friends School where he was instrumental in creating the Betty Cary Arboretum.

Steve Donnelly

Steve Athletic Fields Crew Supervisor, has been working at the Scott Arboretum since 1992.  Steve is a graduate of the Penn State Extension program for arboriculture.

Paul August (Gus) Eriksen

Gus has been a Garden Supervisor at the Arboretum since 1984.  He has been in charge of the rose garden since 1993.  Other work experience includes Alfred I. DuPont Institute of the Nemours Foundation and Reynold's DuPont estate in Delaware, Kraft Nurseries in Florida and the DuPont Co. plant research lab. He holds a Bachelor of Science in Agriculture in Plant Science from the University of Delaware.

William R. Evans, Jr.

Will joined the staff in 1989.  Prior to that he worked at Chessick's Wholesale Greenhouses propagating poinsettias, and Wolff's Farmer's Market in plan sales, orchard pruning and harvesting.

Adam Glas

Adam, Garden Supervisor, joined the staff in 2012.  Prior to that, he worked as Nursery Manager at Terrain (at Styler's Nursery in Glen Mills.  He was accepted into the Longwood Gardens Professional Gardener (PG) training program, completing that program in 2006.  He currently serves as President for the PG Alumni association and Vice President of the Board of Managers at Chenoa Manor.  Adams studied Horticulture and Landscape Design at the University of Wisconsin River Falls.

Charles Hinkle

Chuck, Gardener, joined the staff full-time in 1998.  Previously, he was a gardener at Friends Hospital in Philadelphia.  He holds a B.S. in Horticulture from Temple University, and has completed Longwood Gardens series I and II in Ornamental Plants.   He is also an instructor at Temple University.

Doug Koler

Doug, Gardener, join the staff in 2019.  He hold a B.A. in Geography from the University of South Florida.  Before coming to Swarthmore, he worked for the Florida Division of Forestry as a forest ranger, municipal arborist for a suburban community in Colorado, and gardener for the University of Pennsylvania.  He has been an ISA Certified Arborist since 2007 and holds a Certificate in Ornamental Plants from Longwood Gardens.

Susan McGinley

Susan graduated with a Bachelor of Science degree in horticulture from Temple University, Ambler, and a Bachelor of Science degree from Cabrini College in Radnor, PA. Before joining the horticulture staff at the Scott Arboretum in April 2001, Susan worked as a research biologist, and has gardened at Chanticleer in Wayne, PA, Smith & Hawken in Rosemont, PA, and also worked with Laurie Humphrey's landscape design and maintenance firm in Haverford. Susan completed an internship at the Tyler Arboretum in Media, PA.

Dale Nemec

Dale, Gardener, has been with the staff since 2004. He comes to the Arboretum with a wealth of experience. He served as Grounds Maintenance Coordinator at Friends Hospital in Philadelphia for 23 years and horticulturalist at Villanova University for a year. In 1999, Dale earned a bachelor's degree in Landscape Architecture as well as an associate's degree in Landscape Design from Temple University. Dale was born in Philadelphia and currently resides in Roxborough.

Lars Rasmussen

Lars graduated from Temple University, Ambler, with a Bachelor of Science degree in horticulture and has an extensive background in growing greenhouse cut roses. Before becoming a member of the Scott Arboretum's horticultural staff in May 2001, and garden supervisor and plant health in 2018, Lars was employed by Octararo Natie Plant Nursery in Kirkwood, PA; and Landstudies, Inc. in Litiz, PA where his focus was stream bank restoration and wetland installation.  Lars completed an internship at Mt. Cuba Center for the Study of Piedmont Flora in Greenville, DE and has has taken Longwood Gardens certificate classes.

Lars was employed by Octararo Native Plant Nursery in Kirkwood, PA, and Landstudies Inc. in Lititz, PA, where his focus was stream bank restoration and wetland installation. Lars completed his internship at the Mt. Cuba Center for the Study of Piedmont Flora in Greenville, DE. He is presently attending the Longwood Gardens certificate classes.

Susan Romero

Susan is a graduated of Savannah College of Art and Longwood Professional Gardener Training Program.  After freelancing in the art and sculpture field, she began pursing the field of sustainability including garden work in Costa Rica.  Sue interned with Chanticleer and Great Dixter in Sussex, England and apprenticed with a floral designer in New York City.

Paul Rowe

Paul Rowe, Motor Pool Foreman