Since 1984, Kalin Associates has prepared specifications for over 4,000 projects worldwide, over 600 Massachusetts MGL Chapter 149 and MGL Chapter 149A public bid projects, 300 projects seeking sustainable design certifications (LEED, Living Building Challenge, Well, Passivhaus), master specifications for over 500 building product manufacturers, and design standards for many public agencies, universities and trade associations.

Mark Kalin lectures frequently on sustainable design, specifications, and the integration of specifications and BIM. 

He is the author of the original GreenSpec and founder of the Sustainable Facilities Practice Group of the Construction Specifications Institute.