Our Team


STAFF

(click on a name for a bio)

Pamela Tames, Executive Director

Pam and her family have lived in Lexington since 1998. Pam enjoys her backyard garden, growing vegetables, herbs, flowering plants and even a peach tree. She has volunteered in the schools and community organizations and is also Town Meeting Member. Pam has been a member of LexFarm’s CSA since its founding. She marvels at the possibilities and challenges that come with organic farming and appreciates the local food source and preservation of historic farmland. Pam helped LexFarm become a SNAP-authorized retailer, increasing access to organic produce for people of all income levels. More recently, she led a committee exploring expansion of the farm stand. Professionally, Pam is an energetic and thoughtful leader, lawyer and team player with a passion for work that empowers people. Developing and expanding programs that impact health and well-being has defined her career. Before being hired as LexFarm’s Executive Director in 2021, Pam served on LexFarm’s Board of Directors for 4 years.

Miranda Lachman, Field Manager

Miranda was LexFarm’s Assistant Grower in 2021, returned in 2022 as Assistant Farm Manager and has been the Field Manager since 2023. Miranda originates from NYC and spent summers growing up at her family’s farm in New Hampshire, eating blueberries and tending to the herb garden. This sparked a love of food and an appreciation for the great outdoors. At college she majored in environmental studies with a focus on food systems, and she got interested in farming while teaching environmental education to youth. Miranda has farmed at an elementary school in Lynn and on larger farms in Lincoln and the North Shore. She also worked as a compost educator, teaching folks about worms mostly, and the wonders of carbon sequestration. Her favorite farm tasks are harvesting garlic scapes, pruning tomatoes, and getting creative with mid-morning field snacks.

Rachel Curtin, Education Director

Rachel comes to LexFarm as a seasoned educator, with many years of experience teaching in California and Massachusetts public elementary schools.

Since 2020, she has worked as an outdoor educator at LexFarm and Wright-Locke Farm. Rachel’s shift to outdoor education has been personally transformative. She loves the joy and discovery involved in working with children in a beautiful place where the landscape and seasons are always evolving.

Rachel’s approach to teaching is centered around inclusive community building. Her farm classes are structured but play-based, guided by children’s interests and very hands-on! As a mom of two young daughters, she is committed to building children’s comfort outdoors, as well as their sense of interconnection and care for the world around them. Rachel is excited to be stepping into LexFarm’s Education Director position and will be working to expand the farm’s educational offerings in the months to come!

Mar Koren, Farm Store Manager

Mar is excited to join LexFarm as the Farm Store Sales Associate! Mar has always loved cooking, and has had numerous jobs that revolved around food. They have worked at two different nonprofit homeless shelters (one in PA and one in MA), a sustainably-sourced restaurant in Concord, MA, and in the farm stand and fields of a vegetable farm during the 2019 and 2020 seasons. Mar loves trying new vegetables, and spending time with their two bunnies, Freddie and Hummus.

Katerina Kyuchukova, Greenhouse Manager

Kat is in her 3rd season farming and has grown a passion for this labor of love. She is so excited to return to the awesome team at LexFarm this year as Greenhouse Manager, to help this community farm flourish. Her favorite vegetables are eggplant and kale, and when she’s not farming, she loves hosting dinner parties, playing board games, and swimming in the ocean.

Sara Bothwell Allen, Volunteer Programs Coordinator

Sara has been a Lexington resident since 2014, when she moved back to the area, bringing her California-born family members with her. Sara’s background is in field biology, primarily insect ecology. For several years, her research focused on conservation biological control of insect pests in organic vegetable cropping systems. For the past several years, Sara has been volunteering as Big Backyard coordinator at Estabrook school, as a founding member of Lexington Living Landscapes, serving in Lexington Town Meeting, as LexFUN treasurer, and more. She’s excited to bring her experience organizing volunteer opportunities to LexFarm, and in particular to find ways of engaging more members of our LexFarm community with meaningful volunteering experiences on the farm. If you are looking for a way to get engaged–reach out to [email protected]When she’s not at LexFarm, you’ll find Sara leading Big Backyard walks, watching her children’s sporting events, or swimming.

Chamara Sandaradura, Bookkeeper

Chamara and his family live in Ashland, MA, and are originally from Sri Lanka. Chamara is passionate about education and non-profits. He is very excited about bringing his wife and sons to the farm, teaching his sons to appreciate nature, and exposing them to the farming environment. Chamara currently works at Framingham State University and has a Masters Degree in Business.

 

BOARD OF DIRECTORS
(click on a name for a bio)

2025 – 2026

Mary Rose Scozzafava, President

Mary Rose is an attorney and resident of Lexington since 1993 and LexFarm board member since 2015. She is an avid gardener, and works to bring sustainable practices into her own gardens. She is currently a Senior Fellow at The Conservation Law Foundation, where she works to support New England farmers and the local food system. Mary Rose brings her legal, conservation and farm experiences to help LexFarm achieve its mission of sustainable agriculture, community engagement and education.

Mary Rose is involved in other town organizations including the Lexington’s Conservation Commission and Conservation Stewards to maintain and oversee conservation restrictions on town-owned conservation lands, the Fence Viewers Committee and the Lexington Zero Waste Collaborative.

Ron Chaney, Vice-President

Ron lives with his wife Julie in Arlington less than a ten minute walk from the farm.  Ron’s grandfather was a farmer and school principal in southern Ohio.  When Ron would visit, he would play on his grandfather’s tractor, help his grandmother tend her vegetable garden and chickens, and dodge the cow patties when walking through the pasture.  Ron’s parents also maintained a modest-sized vegetable garden where Ron plowed and disced the soil and helped plant and harvest corn, beans, tomatoes, and potatoes.

Ron moved to the Boston area to attend MIT where he holds a bachelor’s, master’s, and PhD in electrical engineering.  Ron recently completed a 24-year stint at Akamai Technologies, where he was Vice President of Engineering.  Ron’s son Ben lives in Manhattan, and his daughter Isabel lives in Virginia.

Mark Manasas, Vice President

Mark and his family have lived in Lexington since 2005. His love for all things mechanical brought him to volunteering for maintenance and building projects on the farm. He has enjoyed learning the 400+ year history of the Farm dating back to 1642. The tenacity of the Busa family maintaining the land as a farm in the 1900’s as other farms in Lexington (formerly known as Cambridge Farms) succumbed to market pressures inspires him to help keep the farm working – as a farm. The LexFarm seedling sale has been essential to expanding the crops in his family’s backyard garden!

Mark is actively involved in other Lexington Organizations including Lexington Zero Waste Collaborative, Vision for Lexington Committee, Lexington Lyceum Advocates and is also a Town Meeting member.

Tharshini Mathew, Treasurer

A Lexington resident since 2006, Tharshini’s interest in farming started when she began visiting the farm for dirt play, and other activities with her son. Her passion developed and she and her son started a small backyard vegetable garden which they manage together during the summer. Increased interest in farming and living healthy led her to join the CSA and they have been enjoying the fresh produce for the past 4 years. Pick your own is one of their favorite parts of the CSA. By profession she is an accountant and manages her husband’s company along with her own clients. She is also committee co-chair of the Science Fair at Maria Hastings Elementary School and a Room parent for her son’s class. She also volunteers at Lexington Kids PMC ride which is another noble cause she and her family support.

Christopher Thomas, Clerk

Growing up in Arlington and studying environmental studies and plant and soil science at the University of Vermont, Chris has always been passionate about sustainable agriculture and the benefits of locally grown produce. His appreciation for fresh, high-quality food was deepened through a CSA share during his college years. As a professional landscaper, he understands the importance of soil health and biodiversity in creating thriving ecosystems.
Chris is particularly interested in organic agriculture and its potential to provide more sustainable systems for growing food while supporting the farmers who produce it. Now, he seeks to join the board of the LexFarm to contribute his knowledge and expertise to promoting a healthier, more resilient food system in the community. His goal is to support initiatives that prioritize soil health and biodiversity while providing equitable access to fresh, nutritious produce.

Gene Diaz

Gene is a Professor of Distinguished Achievement at Lesley University and currently conducts program evaluations for PERG-Learning, based in Massachusetts. She is co-editor with Martha McKenna of Teaching for Aesthetic Experience and Preparing Educators for Arts Integration.
Gene earned her BS in electronics engineering from San Diego State and her PhD in curriculum from the University of New Orleans. She studied painting at the Corcoran School of Art in Washington, DC. Gene has taught art, English as a Foreign Language, and computer science in K-12 schools in North and South America, and art education, ethnographic and arts-based research methods, and arts integrated curriculum at graduate and undergraduate levels. She was a Fulbright Scholar at the Universidad de Antióquia in Medellín, Colombia where she collaborated with colleagues in shaping an arts integrated master’s degree program for classroom teachers and a doctoral program in Intercultural Studies for Native Colombian educators.

Mark Gabrenya

Mark has lived in Lexington since 1996. He has been on the board of directors since March, 2015 and a member of the Property Committee. Much of his work for the farm is focused on improving and repairing the infrastructure and cleaning up the property. His red Prius is always loaded with tools and he’ll never turn down a donation of a straight 2 X 4. He is also the owner of Brite Harvest Farm — a controlled environment agriculture hydroponic farm inside a shipping container. It’s the big green and white box located behind LexFarm. When he’s not at the farm he’s an avid cyclist and a tour leader for Adventure Cycling Association.

Eric Helmuth

Eric converted his sunny Arlington front yard into a three-season vegetable garden several years ago and hasn’t looked back. His passion for local, sustainably grown food led to his becoming a LexFarm “farm founder,” gardening teacher for Arlington Community Education, and past board member of SeedMoney.org. He’s also a regional grain and artisan bread enthusiast, and mills his own flour at home – including some wheat grown in his front yard. He is a member of the elected Arlington Select Board and is also a Town Meeting member. Professionally, he serves as chief of staff for a Massachusetts state senator. He lives in Arlington Heights with his husband and about 100 pounds of unmilled whole grain.

Patrick Johnson

Pat and his family moved to the Mt. Gilboa neighborhood in Arlington in the Summer of 2018 and quickly fell in love with the farm. Pat is passionate about the natural world and conservation. He worked as a field biologist studying songbirds for 5+ years before receiving a MS in wildlife management. He now works for National Grid Ventures where he is helping to develop projects that deliver reliable, clean, and affordable energy for consumers. He is a CFA Charterholder and an MBA graduate.

Sheila Chen Lawrence

Sheila, her husband and two young children are Lexington residents and neighbors to the farm. Sheila and her family are passionate about environmental conservation and sustainable agriculture: taking action by reducing their personal carbon footprint, and participating in charitable activities in support of climate change mitigation. Some of her most vivid childhood memories involve hiking the mountains in her native Taiwan with her family, participating in the clean up of trails and public lands. She is excited to be a part of LexFarm, and for her children to grow up in such close proximity to where their food is grown. Previously, Sheila had been a long-time Waltham resident, and a member of Waltham Fields Community Farm. Sheila is Partner and Senior Client Advisor at Ballentine Partners, LLC, a wealth-management firm in Waltham. Sheila provides strategic advice to clients on philanthropy, estate planning, investments, estate planning, tax, and risk management. Sheila serves on the Boston board of Thrive Scholars, a national education non-profit that helps highest-achieving low-income minority students attend and graduate from top colleges and launch successful careers.

Brian Mariano

Brian has been pursuing a career in agriculture since 2017 while living in East Arlington. Brian’s agricultural career has spanned apprentice field worker to farm manager to small technical assistance provider geared to small scale regenerative growing practices. Brian worked at food-based non-profits in Lowell and Lancaster, Mass and is excited to bring his experiences to LexFarm – agriculture in his immediate community.  He is looking forward to learning more about how non-profit farm organizations work, as well as advocating from his experiences on the ground as a farmer. He joins the board with a lot of passion for local food, local land, and making the skills learned farming available to those interested. Brian hopes to become a small farmer one day and loves opportunities to share his  experiences with others.

Maria Sagan

Lexington is home for Maria and her family since 2001. While her children attended Lexington Public School she volunteered in the Big Back Yard walks and enjoyed introducing the wonders of nature to the students. She was also involved in Boy Scouting and Girl Scouting. Maria enjoys walking in and around Lexington and hiking locally and in the White Mountains. She is an avid sourdough baker using regionally grown and milled grains. One of her favorites is rye bread which reminds her of her childhood growing up in rural Germany. Maria is passionate about the importance of real food. She strongly believes in the importance of accessible locally grown food and the establishment and expansion of local sustainable food production for present and future generations. She has been a LexFarm member since last year and volunteers during the LexFarm’s Working Wednesdays.

Susan Schiffer

Sue, a Lexington resident since 1993, professionally was a biology researcher in the biotechnology industry for 22 years. Since then, she held leadership positions on a number of Lexington non-profit boards. Sue became hooked on cooking farm-to-table dinners for her family when the Lexington Farmers’ Market started over 15 years ago. Since summer 2014, Sue has served LexFarm as a Board member and a member of both the Development and the Communications Committees, served as VP for two years and as President for 4 years. She looks forward to using her prior non-profit leadership experience, communications skills and connections to other organizations in Lexington to continue to help develop this exciting community treasure. When not volunteering for the farm, she creates jewelry at the LexArt, as a member of the Metalworking Guild.

Ping Shen

Ping, a Lexington resident since 2000, is a software engineer and an avid gardener, gardening in her backyard for more than ten years and in the Lexington community garden for the past four years. She is passionate about organic and heirloom gardening. During Lexington’s 300th anniversary celebration, she won first prize for the tastiest slicing tomato in the vegetable growing competition. She cares deeply about the environment and sustainability. She has helped high school students participate in the annual Charles River clean up and volunteers at the Lexington seed library where she got connected to LexFarm. Raised in China, Ping missed lots of the Asian vegetables she grew up with which motivated her to start her own vegetable garden after moving to Lexington. While gardening, she also learned a lot about ecosystem and environmental issues. She believes that we need to return to the basics, get connected with nature, and take care of our environment before it is too late.

Erin Thomas

Erin is a musician, gardener, and problem-solver.  She received bachelor degrees in Music and Cognitive Science from MIT and a masters in Arts Administration from BU.  After working briefly in academia and the start-up software industry, Erin settled into financial services as an analyst, developer, and project manager.  She currently works as a Solutions Architect for NEPC, LLC, an investment consulting firm in Boston.

Erin is a lifelong musician and has studied piano, violin, voice, and gamelan.  She is an active performer and charter member of Gamelan Galak Tika, a Balinese gamelan orchestra in residence at MIT, currently in its 31st season.  As a member of Galak Tika, Erin has performed throughout New England, at Lincoln Center and Carnegie Hall, and in Bali, Indonesia.  She also plays gender wayang, a type of Balinese chamber ensemble that traditionally accompanies Balinese shadow puppet plays and ceremonies.  She supports many nonprofits as a volunteer and occasional fundraiser, including Blue Heron, Cambridge Youth Gamelan, Dana-Farber Cancer Institute, and Food Link.  Erin lives with her family in Arlington.

Mariel Vandersteel

Mariel, a California native, spent her childhood tasting samples of seasonal produce each week at the year-round San Rafael Farmers Market. This soon grew into learning about the beauty and importance of supporting local farmers and organic produce and soil, something which Mariel is still passionate about today. After moving to Arlington in 2023, Mariel and her family were delighted to find LexFarm and the Arlington Reservoir nearby!Currently, Mariel works as the Development Manager at Passim, a folk music venue and nonprofit in Harvard Square and earned a masters degree in Arts Administration with a certificate in Fundraising Management from Boston University. A graduate of Berklee College of Music, Mariel spent the first part of her career as a professional touring and teaching musician. She studied the Hardanger fiddle (a traditional Norwegian stringed instrument) at Høgskolen (“hay-school-en”) Telemark in Rauland, Norway and was a member of a band that was twice selected by the U.S. State Department to act as cultural ambassadors throughout Kazakhstan, Uzbekistan, India, Bangladesh, Ukraine, Montenegro, Greece, and Estonia.