It is truly the case at Summerhill that the whole is greater than the sum of its parts. We are fortunate to have a deep, experienced, and dedicated team without whom it would not be possible to work at the level we expect of ourselves. In that same spirit, over the history of the company we have been afforded the opportunity to work with many talented collaborators: architects, designers, builders, and craftsman that have all played a role in our story. It is with the utmost humility and gratitude that we approach the creation and maintenance of their vision.
A graduate of Long Island University Southampton, Ann Blackmore holds a Bachelor of Science degree in Marketing/Management and has been employed by Summerhill since 2003. Formerly Vice President at the Bridgehampton National Bank, Ann’s deft management and long experience renders Summerhill’s reputation not only as an accomplished landscape company, but also as an organization with business integrity and careful strategic growth.
A native of Ireland, Declan Blackmore founded Summerhill Landscapes on the East End of Long Island in 1993. Passionate about plants and working in nature, he established his boutique company to create beautiful and enduring gardens. His reputation and collaborative spirit attracts top landscape architects, architects, designers, and engineers.
Declan is a graduate of Kildalton College of Horticulture, which is located in the striking Suir Valley. In addition to his vibrant, innovative practice, he has a unique mentoring and internship program for horticulture students from around the world.
Declan lives with his wife and three children in Southampton.
Brendan O’Dwyer brings a deep experience in the landscaping industry to Summerhill, where he has been employed since 1997. Among other responsibilities, Brendan helped develop and manages Summerhill’s coveted internship program. Prior to relocating to the United States to join the Summerhill team, Brendan graduated from Kildalton College of Horticulture, Ireland and worked extensively in the British Isles.
Brendan lives in Hampton Bays with his wife and family.
Tom Volk spent over a decade as a practicing ISA Certified Arborist on the east end of Long Island prior to moving over to the landscape construction team for Summerhill. A graduate of St. Michael’s College in Colchester, Vermont, he earned a Bachelors Degree in Political Science in 2002. He joined Summerhill in 2013.
Tom resides in East Moriches with his wife and two sons. He serves on the Cornell Cooperative Extension Nursery/Landscape Advisory Committee.
An integral member of the Summerhill team since 2005, Eddie oversees all aspects of the landscape construction operation at Summerhill. He graduated from University College, Dublin, Ireland and holds a Bachelors degree in Landscape Horticulture. He previously worked in Ireland before bringing his expertise and oversight to Summerhill. Eddie resides in Sag Harbor with his wife and daughter.
Dawn Schlegel, joined Summerhill Landscapes in January of 2023 as the Chief Financial Officer. She has over thirty years of accounting experience in both the public and private sectors. Prior to joining Summerhill Landscapes, she worked for 16 years at Emil Norsic & Son, Inc. She became a CPA in 1993 after graduating from Hofstra University in 1991.
Terence Quinn, joined Summerhill Landscapes in December 2021 as the Controller. In 1990 he received his BBA in Accounting from Adelphi University and for the last 30 years he has worked in various technology related industries.
Peter relocated to the east end of Long Island in 2009 to begin his career with Summerhill after being accepted into our unique internship program. A native of Cork, Ireland, he holds a Bachelor of Science degree in land management from Waterford Institute of Technology. He is also an active member of the Southampton Fire Department, with the rank of Lieutenant.
Norma Taylor is a graduate of Kildalton School of Horticulture. In 2006, after participating in Summerhill’s internship program, Norma was hired to oversee maintenance operations for Summerhill’s established gardens. Prior to relocating to the United States, Norma gained professional experience in England and Ireland.
Michael Donnellan is the senior landscape designer at Summerhill Landscapes. A creative and keen plantsman, he directs the in-house design team. A graduate of Kildalton College, he joined the company in 2000. Michael spent time working in the industry in The Netherlands and England before settling in The United States. Michael and his team are passionate about building relationships with their clients, collaboration with them in building their unique landscape oasis.
Shane is heavily involved in many aspects of Summerhill’s operations, including landscape construction, lighting and irrigation. He holds a Bachelor of Science Degree in Horticulture from Waterford Institute of Technology in his native Ireland and is also a Certified Outdoor Lighting Designer, of which there are only sixty nationwide. He gained experience in Landscape Management in New Zealand before relocating to New York in 2012 to join the Summerhill team. Since moving to New York Shane has completed professional studies in Irrigation Design and Installation at The Rainbird Academy, Irrigation Association of New York and Rutgers University.
Autumn is a graduate of Farmingdale State College with a Bachelor’s degree in Business Management. She came to Summerhill in 2019 after many years of local administrative experience. Autumn is originally from Brewster, NY and currently resides in Sag Harbor with her husband and daughter.
Michelle joined the Summerhill team in 2020 bringing 15 plus years of propagation and nursery production. She graduated from the University of Massachusetts in Amherst with a BS in Plant and Soil Science. Dedicated to preserving and promoting the horticulture industry she is also an ISA Certified Arborist and a Certified Nursery Landscape Professional.
Paddy holds a bachelors degree in horticulture from ITB Blanchardstown College Dublin in Ireland. Prior to coming to the United States, he worked in Europe for over 20 years as a landscape project manger and irrigation manger. He also holds a certification from Ohio state university in turf grass management.
Peter Henneberry is a Graduate of Illinois State University, earning his Bachelor’s Degree in Agriculture Business. Focusing on horticulture, Peter worked around the Midwest for years gaining experience in his field. Originally from Plainfield, Illinois, Peter started as a Summerhill intern in the 2021 season before joining the team as an account manager the following year.
Tina joined Summerhill as Administrative Assistant in May 2016. Originally from Northern Virginia, Tina studied at Old Dominion University and made the move to Long Island in 2013. Tina is a member of the American Legion Ladies’ Auxiliary, the American Legion Riders, and volunteers at National Police Week annually.
Enrico joined Summerhill in 2017 after studying and working in Venice, Paris and Florence. He holds a bachelors degree in Architecture from IUAV University of Venice and a Master degree in Landscape Architecture from University of Florence.
Christina holds a degree in Rhetoric from Binghamton University as well as an SHRM-CP certification, certifying her as a human resource professional. She joined Summerhill in 2018 and is responsible for all aspects of Summerhill’s human resources.
A native from Mexico , Fredy studied in the state of Morelos Mexico for Automotive Technical Professional, but upon traveling to the USA , found a passion for landscaping ,starting in the landscaping industry in 2013 and joined in Summer Hill in 2018, starting as a crew member before being promoted to foreman and in 2021 as maintenance supervisor.
A project manager for the landscape construction team, Julian has worked in the landscape industry since 2007, and joined Summerhill in 2017. A native of Mexico, he has been in the US since 2000. Julian has a natural ability to transform the landscape via operating machinery and executing complex construction plans.
Conor is from Carlow Ireland and received a BS degree in Horticulture from Waterford Institute of Technology. He joined Summerhill Landscapes in 2013, starting as an intern with our landscape construction team before brining his talents to the maintenance department as an account manager.
James holds a Bachelors of Science degree from Waterford Institute of Technology in Ireland, where he graduated with honors in 2018. Originally an intern, James started working full time for Summerhill Landscapes in December 2019.
A graduate of the Berlin College of Horticulture in Germany, Heike has almost three decades experience in the Horticulture industry. After starting her career in Germany, she came to the US in 1998 and gained broad experience in the industry, working in California and New York. In her spare time she enjoys spending time with her son especially on the beautiful beaches of Long Island.
A native of Dublin, Ireland, Graham holds a Bachelors degree in Science of Horticulture from the Institute of Technology Blanchardstown. Prior to joining Summerhill in 2016, Graham worked for the Royal Dublin golf club for two years as a Greenskeeper.
Fred is a native of Guatemala and has worked for Summerhill for eight years, starting out as a crew member before graduating to foreman and then account manager.
Laura joined Summerhill as an Administrative Assistant in January 2020. Prior to coming to Summerhill, she had 20 years of experience as a legal assistant with a local law firm. She enjoys reading and enjoying nature and our local wildlife. She lives in Springs with her husband and two sons.