Staff & Board


Robb Johnson, Executive Director (part-time)

Robb joined MLTC as Executive Director in October 2019. He has over 30 years of non-profit program and management experience in health care, human service, and environmental organizations in Massachusetts, including The Nature Conservancy, Sudbury Valley Trustees and The Bay Circuit Alliance. He has collaborated with federal, state, local and non-profit partners to complete land conservation and habitat restoration projects in many Massachusetts communities.  

Robb has a Masters in Public Administration from Harvard University and a Masters in Public Health from the University of Michigan. A lifelong nature lover, he enjoys hiking, canoeing, cycling and open water swimming. 

Barbara Chrenko, Operations Manager (part-time)

Barbara is a lifelong outdoors enthusiast who developed a love of open spaces and quiet places from a childhood spent outdoors, actively experiencing public access to amazing landscapes both in the US and abroad. After many years in technology (chatbots and web), she began volunteering for Maine Coast Heritage Trust and The Trustees in a variety of ways, including researching fish runs in the Bagaduce watershed, and monitoring properties. She joined the Massachusetts Land Trust Coalition in late 2018. Her special conservation interest is protecting land and coastal areas for cooperative use and enjoyment by both the public and those in water-, farm- and forest-based livelihoods. Barbara enjoys hiking, sailing, skiing, traveling, and simply being outside.


Miriam Scagnetti, Conference Consultant

Miriam has helped MLTC coordinate the annual Massachusetts Land Conservation Conference since 2013. Prior to that, she organized the conference, workshops and networking for the conservation community at the The Trustees’ Putnam Conservation Institute. Miriam holds an MBA from Fitchburg State College and a bachelor’s degree from Wirtschaftsakademie Hamburg (Hamburg School of Business Administration). Growing up in a small, scenic village in the heart of a large nature reserve in Germany, Miriam has had a lifelong appreciation for natural beauty and open spaces. Besides spending as much time outdoors as possible, she enjoys reading and traveling with her husband and their two children.

Matthew Safford, Communications Coordinator

Matt has worked for a variety of land protection and research organizations, including the National Park Service and the Illinois Natural History Survey, on projects including insect and bat biodiversity surveys, endangered species conservation, and CR monitoring. Matt has a Bachelor’s in Environmental Studies from the University of North Carolina and a Master’s in Entomology from the University of Illinois. In his free time Matt hikes, climbs, and cooks.


Paul Catanzaro

Paul Catanzaro is an Extension Associate Professor at the University of Massachusetts Amherst. Paul teaches courses in the Forest Ecology and LandConservation major and is co-director of the Family Forest Research Center,a partnership of the US Forest Service and UMass Amherst. Paul's research is focused on gaining a better understanding of the decisions private landowners make about the future ownership and use of their land. His research-based extension work provides land conservation and forest stewardship options to landowners. Paul's outreach efforts include the Massachusetts Keystone Project,, conservation-based estate planning, and forest resiliency. 

Jack Clarke

Jack Clarke recently retired after twenty-six years as Mass Audubon’s Director of Public Policy. Prior to that he was with the National Park Service at the Cape Cod National Seashore, and was Assistant Director of the Massachusetts Coastal Zone Management Office. Jack is a gubernatorial appointee to the Mass. Ocean Advisory Committee, and is on the Community Preservation Act Coalition Steering Committee. Born in Boston, Jack holds undergraduate and graduate degrees from Boston College.

Christa Collins

Christa Collins started her conservation career at the Nashua River Watershed Association, and in 2002 joined Sudbury Valley Trustees, where she currently serves as Director of Land Protection. She holds a bachelor’s degree from Middlebury College and a master’s degree in landscape architecture from the University of Michigan, and lives in Concord, MA with her husband and two children. Christa serves on the board of Gaining Ground, a Concord-based nonprofit that grows and donates food for hunger relief, and on Concord's Junction Village Open Space Task Force.

Buzz Constable, President

William “Buzz” Constable is a well-seasoned land use and real estate investment attorney serving diverse organizations in Massachusetts. Public service includes elected and appointed positions in local, regional and statewide boards and commissions, including chairing Boston’s regional planning agency and its statewide association. Buzz has been president of the Lincoln Land Conservation Trust for many years, is on the Board of The Trustees, and recently rotated off the LTA’s Conservation Defense Council. Civic activities include boards of the Environmental League of Massachusetts, the Rural Land Foundation and the Old South Meeting House. Buzz is a graduate of Williams, Boston University, Yale School of Forestry & Environmental Studies and was a Loeb Fellow at Harvard.

Karen Grey

Karen has been the President and Executive Director of the Wildlands Trust since November 2007. From 1991 to 2007, Karen served in a variety of leadership positions at the Manomet Center for Conservation Sciences, including Director of Marketing and Development and Assistant Director. Karen brings a broad base of management, marketing and conservation knowledge and skills to her position. She is a graduate of the University of Vermont.

Rita Gibes Grossman, Clerk

While Rita's professional experience was in tertiary healthcare for 25 years, she pursued her passion for the natural environment by joining the Boxborough Conservation Trust board in 2003, where she has served as president since 2006 overseeing the conservation of 63 acres in 4 transactions and has had a robust sampling of the issues confronting small, all volunteer land trusts. She serves on the Town of Boxborough’s Community Preservation Committee and the Land Stewardship Committee, founded the Boxborough Birders, and is a board member of the New England journal Bird Observer. She’s a graduate of University of Michigan, Boston College (Macy Fellow) and the Harvard T.H. Chan School of Public Health (Kellogg Fellow).

Cynthia Henshaw, Vice President

Cynthia has been the Executive Director of the East Quabbin Land Trust, which covers eight towns in central Massachusetts, since 2007 and involved with various aspects of land conservation and organizational development for sixteen years. Cynthia served as Clerk of the Mass Land Trust Coalition for four years.

Rich Hubbard

Richard K. Hubbard was the Executive Director of the Franklin Land Trust from 2004 - 2019. Rich, who is recognized nationally as an authority on conserving farmland and open space, has negotiated the conservation of over 400 properties totaling close to 38,000 acres. Prior to joining FLT, he served in a number of capacities with the MA Department of Agricultural Resources, including Assistant Commissioner, Chief of the Bureau of Land Use, and for 15 years as Program Manager of the Agricultural Preservation Restriction (APR) Program - one of the most successful farmland conservation programs in the country. He began his professional career as a Community Planner for the Montgomery County Planning Commission in Pennsylvania, and later served as the Town Planner for Killingly, Connecticut and the Assistant Director of the Northeast Office of the American Farmland Trust.

Andrew Magee, Treasurer

Andy has over 25 years experience in the conduct and management of environmental studies and scientific investigations and is a partner in a respected environmental engineering firm, Epsilon Associates. He recently completed two terms as Selectman in the town of Acton and currently sits on the Town’s Open Space Committee, Conservation Commission and Community Preservation Act Committee. Earlier, he served multiple terms on the Town of Acton Sewer Advisory Committee and Water Resources Advisory Committee. Andy has been involved in conservation activities for over 15 years, served on the boards of two non-profit conservation organizations: the Acton Conservation Trust (all volunteer) and the Organization for the Assabet River (OAR)

Janet Milkman, Vice President

Janet Milkman joined the Barnstable Land Trust as Executive Director in 2017 and is thrilled to be back home on the Cape. She has worked for non-profit organizations for 30 years, with a focus on smart growth and community development, and energy and environmental policy and practice. Her previous leadership roles include the Marion Institute and of the Philadelphia-area Green Building Council and 10,000 Friends of Pennsylvania. Janet has a BA from Wesleyan University, a Master in Public Affairs from Princeton University and was a Fulbright Scholar in Germany. Her passion for nature and New England drive her at work and play.

Kathleen O’Donnell

Kathleen has over thirty years experience in real estate law including conveyancing, title opinions, tax title foreclosures and auctions, affordable housing, open space acquisitions, municipal harbor plans and smart growth zoning. She has participated in the Mass Land Trust Coalition’s Attorneys Advisory Panel, and is on the board of the Cohasset Land Foundation. Kathleen is licensed to practice in Massachusetts and is certified as a Woman Business Enterprise (WBE) by the Massachusetts Supplier Diversity Office.

Loring Schwarz

Loring is the Principal of new Primavera Environmental Consulting, advising on online network curriculum development and conservation finance training. Prior to this, Loring spent many years with The Nature Conservancy; she also did stints with The Conservation Fund and Mass Audubon. She was instrumental in establishing the national network of Natural Heritage Programs and built the Massachusetts TNC government relations program, among many other accomplishments. Loring holds a Masters of Forest Science from the Yale School of Forestry and Environmental Studies and a BS in Biology from Tufts University.

Kristen Sykes

Kristen Sykes is Director of Southern NE Conservation Projects and Partnerships for the Appalachian Mountain Club. She joined AMC in 2004 and since that time has worked extensively to advance land conservation, trails, and recreational access throughout the Northeast and Mid-Atlantic regions. Before joining AMC, Kristen was the Interior Department Watchdog for Friends of the Earth and the Eastern Forest Advocate for the American Lands Alliance in Washington DC. She has a Master of Science in Environmental Studies from the University of Montana and a BA in International Relations from California State University Sacramento. She sits on the board of The Venture Out Project, which leads wilderness trips for the queer and transgender community. She is also the Chapter President for MassBike Connecticut River Valley. She and her husband own Pie In The Sky Berry Farm, a u-pick organic farm on protected farmland in Northampton.

Vidya Tikku

Vidya is the Director of Greater Boston at The Trustees of Reservations. She has been with the Trustees since 2005. Prior to her current position, Vidya worked as the Vice President at Boston Natural Areas Network, the Neighborhood Parks Council in San Francisco and as a practicing architect in India. She holds a Master's degree in Architecture & Urban Design from Washington University and a Certificate in Environmental Policy and International Development from Harvard Extension School. She has served as Board Chair at the New England Grassroots Environment Fund and a Board member at the Northeast Organic Farming Association, MA chapter.

Bob Wilber

Bob Wilber has been the director of Land Conservation for Mass Audubon since 2000. Previously, he worked in similar capacities for the Massachusetts Chapter of The Nature Conservancy, and Massachusetts State Forests & Parks. Bob is a past president of the Massachusetts Land Trust Coalition (MassLand), and currently serves on MassLand's Board of Trustees. He lives in Stow, where he is president of the all-volunteer Stow Conservation Trust, and a member of the Town of Stow's Open Space Committee. During his 35+ year career, Bob has been directly involved in the protection of more than 40,000 acres in Massachusetts.