About Us

The principals of Parkerhill Technology Group, Jonathan and Lisa Linowes, have a long track record of delivering successful results in harboring and managing critical projects, diverse teams, and complex objectives.

Jonathan S. Linowes

Jonathan has held management positions at a range of companies from very small start-ups to multinational corporations including Autodesk, ComputerVision, and Texas Instruments. Prior to Parkerhill, Jonathan was a founder of Syntrex Corporation, a VC-funded Internet security company. He also founded Sirlin Corporation in 1987, a leading developer of CAD collaboration software tools, which was acquired by Autodesk Corp. in 1994. He holds a Master of Science degree in Media Technology from MIT and a Bachelor degree from Syracuse University. Jonathan is on a director of several technology corporations and not-for-profits, including the Software Association of New Hampshire and the Amoskeag Business Incubator.

Lisa C. Sirica Linowes

Lisa has held product management positions at Xerox Corporation, Autodesk, Houghton Mifflin Company, and several start-ups. Lisa was co-founder and COO of Sirlin Corporation, acquired by Autodesk in 1994. She holds an MBA in Marketing from Southern New Hampshire University, and a Bachelor of Science in Computer Science from the Rochester Institute of Technology. In recent years, Ms. Linowes has held elected and appointed positions on community planning and conservation boards and the NH Association of Conservation Commissions. Presently she serves as Executive Director of the national Industrial Wind Action (IWA) Group.