Dave Killen is a broker with over 25 years of experience in real estate sales, leasing, and development, construction management, and business negotiations in national and international markets. Dave enjoys operating in a team environment, and combines a disciplined approach with creative strategic thinking wherever necessary to get the best results possible for his clients. Working his way through the historic districts of Nantucket, MA and Charleston, SC, to Belize, CA, Sonoma, CA, and to Boston, MA, Dave’s closed deals range from 5000 SF to 97 acres.  A proven communicator, Dave graduated from Milton Academy ’93, and Connecticut College ’97. A fifth generation native of Nantucket who now lives in Arlington, MA, Dave is an experienced mariner and student of humanity who can be found during the warmer months sailing or fishing with his son.