• Declan Blackmore
    President

    Declan Blackmore   

    President

    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.

    declan@summerhilllandscapes.com
  • Ann Blackmore
    Vice President and Marketing

    Ann Blackmore   

    Vice President and Marketing

    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.

    ann@summerhilllandscapes.com
  • Brendan O’Dwyer
    Vice President

    Brendan O’Dwyer   

    Vice President

    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.

    brendan@summerhilllandscapes.com
  • Eddie Corcoran
    Vice President

    Eddie Corcoran   

    Vice President

    Part of the Summerhill ensemble since 2005, Eddie Corcoran oversees quality control and every step of the process that transforms properties. He graduated from University College, Dublin, Ireland and holds a BAgrSC in Landscape Horticulture. He previously worked in Ireland before bringing his expertise and oversight to Summerhill.

    eddie@summerhilllandscapes.com
  • Darren Kiley
    Chief Operating Officer

    Darren Kiley   

    Chief Operating Officer

    Darren Kiley joined the Executive Management team in 2017 to guide the myriad of operational aspects for the business.  Darren brings three decades of management, strategic planning, financial monitoring, and business development experience to Summerhill.  His leadership skills and experience in the industry are an indispensable asset to the team. Darren is a graduate of Providence College, RI.  When not working he enjoys the peace and tranquility of the East End.

    darren@summerhilllandscapes.com
  • Dave Sanatore
    Controller & Operations Manager

    Dave Sanatore   

    Controller & Operations Manager

    Dave Sanatore came on board at Summerhill in 2016 bringing with him a thorough appreciation and knowledge of the region.

    A graduate of Southampton College, Dave lives in the east end. with his wife and son.

    dave@summerhilllandscapes.com
  • Michael Donnellan
    Senior Landscapes Designer

    Michael Donnellan   

    Senior Landscapes Designer

    Michael Donnellan is the in-house designer at Summerhill, where he has been an exacting presence since 2000. A graduate of Kildalton College of Horticulture, Michael honed his garden design mastery in the Netherlands, England, and Ireland before bringing his experience to Summerhill.

    michael@summerhilllandscapes.com
  • Shane O’Keeffe
    Irrigation Manager

    Shane O’Keeffe   

    Irrigation Manager

    Shane O’Keeffe’s many credentials include a BS degree in Horticulture from Waterford Institute of Technology, Ireland. He also completed professional studies at the Rainbird Academy, The Irrigation Association of New York, and Rutgers University.

    He is a volunteer fire fighter with the Southampton Fire Department.

    shane@summerhilllandscapes.com
  • Peter Feeney
    Estate Care Manager

    Peter Feeney   

    Estate Care Manager

    Since 2009, Peter Feeney manages the upkeep and maintenance of estate properties installed by Summerhill. Peter graduated from the Waterford Institute of Technology, Ireland with an honors degree in land management.

    He is also an active member of the Southampton Fire Department and The Ancient Order of Hibernians.

    peter@summerhilllandscapes.com
  • Tom Volk
    Plant Health Care Manager

    Tom Volk   

    Plant Health Care Manager

    A certified and gifted arborist, Tom Volk has over a decade of experience in plant heath on Long Island. He is a graduate of St. Michael’s College in Colchester, Vermont and joined Summerhill in 2013.

    Tom resides in East Moriches with his wife and sons. He serves on the Cornell Cooperative Extension Nursery/Landscape Advisory Committee and on the Animal Rescue Fund of the Hamptons Garden Tour Committee.

    tom@summerhilllandscapes.com
  • Norma Taylor
    Maintenance Manager

    Norma Taylor   

    Maintenance Manager

    Norma Taylor is a graduate of Kildalton College of Horticulture. In 2006, after participating in Summerhill’s internship program, Norma was hired to oversee care for the company’s established gardens. Prior to relocating to the United States, Norma gained professional landscape experience in England and Ireland.

    norma@summerhilllandscapes.com
  • Carly Mancuso
    Senior Buyer

    Carly Mancuso   

    Senior Buyer

    Carly Mancuso became Summerhill’s Senior Buyer in 2016 after several years of local experience in the industry.  She is responsible for pricing and purchasing all plant materials and works in tandem with the design and maintenance departments. Carly loves the research and effort to find the best quality plants from sources up and down the east coast.  Carly is originally from Peekskill, NY and holds  a degree from SUNY Albany.  In her down time, Carly spends time with family and in outdoor pursuits.

    carly@summerhilllandscapes.com