• RSS feed
  • Twitter
  • Facebook
  • Instagram
  • YouTube
  • LinkedIn

Extended Bios

Extended bios and other information about Solar One Staff


karen_150Karen Alsen, Assistant Director for Curriculum and Instruction

Karen Alsen is an environmental educator with diverse experience teaching science, sustainability, and arts programming to young people.  She has taught and designed curricula for Brooklyn Children’s Museum, Brooklyn Botanic Garden, City Science, Brooklyn Bridge Park Conservancy, Bronx River Alliance, Sustainable Learning, and LeapNYC. Through these organizations, she has worked with dozens of schools all over NYC. Prior to becoming an educator, Karen worked for Scientific American and Nature Publishing Group. In addition to her love of science and the natural world, Karen is a musician and has travelled abroad, performing and teaching workshops on songwriting.  Karen holds an MS in Environmental Education from Antioch University in Keene, NH.

Geovani Caldero, K-12 Environmental Educator

Geovani Caldero joined Solar One in 2017 as an environmental educator with experience in teaching biology and environmental conservation in formal and non-formal settings. A graduate from New York University with a Masters in Environmental Conservation Education, Geovani was a conservation leader for the Student Conservation Association in New York City. He holds a B.A in Secondary Education with a major in Biology from the University of Puerto Rico in San Juan.  While growing up in Puerto Rico, Geovani spent time outdoors in the natural world inspired by the traditional music of Puerto Rico. He loves to play Cuatro and Panderos because this music increases his love of nature and for his homeland.

Sarah Cooley, K-12 Environmental Educator

Sarah Cooley is an environmental educator with almost a decade of NYC public school science teaching experience. Sarah is passionate about helping both teachers and students understand the importance of our rapidly changing environment and how sustainability efforts can reach into multidisciplinary teaching and learning. Prior to becoming a teacher, Sarah spent time volunteering and coordinating educational efforts in in areas effected by natural disasters such as Haiti and New Orleans. Sarah became enthusiastic about sustainability at a young age, when learning about drought and water waste while growing up in southern California. Sarah holds a bachelor degree in both Sociology and Environmental Studies from UCLA and in her spare time loves making art, traveling and spending time with her friends, family and dog.

Amy Colorado, K-12 Environmental Educator

Amy Colorado joined Solar One’s Green Design Lab in 2017. She delivers in-school programming to NYC students and professional development training to teachers interested in climate change, sustainability, and environmental change. As a native New Yorker, she enjoys being able to work with schools all throughout the city promoting environmental literacy. Amy holds a Masters in Environmental Conservation Education from New York University and a B.A. in Environmental Studies from the University of Rochester. Having previously taught for the New York Botanical Garden, American Museum of Natural History, and Girl Scouts of Greater New York, Amy has gained experience in hands-on, project-based learning. In addition to working with the Education team, Amy also assists with Solar One’s Green Workforce Training programs at Rikers Island.


james150James Kinyanjui, Instructor

James Kinyanjui joined Solar One’s Green Workforce Training program in 2010. He teaches and develops training curricula that aim to be enjoyable as well as educational – and has the utmost fun doing it! James is certified in BPI Building Analyst, BPI Multifamily Building Operator, GPRO Operations and Maintenance, and GPRO Electrical. Coming out of the IT industry, James graduated from DeVry University in 2007 with a degree in Network Communications. For three years he worked in computer network administration in both New York and Seattle. Teaching is something that James has always enjoyed doing. During high school, James volunteered at Big Brothers and Big Sisters of New York as a math tutor. In college, James held tutoring sessions for math and physics, and taught ABE math at two of Seattle’s correctional facilities. Back in New York, James volunteered at Strive for tutoring sessions in GED-Math prior to working for Solar One. The ability to share his love and appreciation of math and technical subjects is a major focal point and passion in his work.

GarySmith_150Gary Smith, Instructor

Gary Smith came to Solar One in 2011 as the coordinator of Solar One’s Whole Buildings Education program where he helped buildings achieve energy savings and reduce their environmental impact through education, creating awareness, and encouraging behavior change. Gary joined Solar One’s Green Workforce Training program as an instructor in 2014. Gary is certified in BPI Building Analyst, BPI Multifamily Building Operator, and GPRO Operations and Maintenance . He has also completed Envirolution’s Win-Win Campaign for energy auditors. Prior to his work with Solar One, Gary served as an after school educator for Boys and Girls Harbor and taught GED math.

Joshua Vedder, Instructor

Joshua Vedder came to Solar One in 2012 as a Green Building Instructor. Josh teaches green building science, GPRO, and BPI Multifamily Building Operator as well as carpentry, plumbing and electrical. Formerly a trade school instructor, Josh has over ten years of experience in the building trades. During his first few years in the field, Josh was finishing up his degree from Dowling College as a pilot and had trained for two years as an electrical engineer. Josh is certified in BPI Building Analyst, BPI Multifamily Building Operator, GPRO Operations and Maintenance, and GPRO Electrical. Josh has spent many years volunteering and working with underserved youth. He found Solar One through Build it Green, where he still volunteers to this day.


Sarah Lorya, Senior Outreach and Education Coordinator

Sarah Lorya, the K-12 Education Outreach Manager for Solar One, graduated from The New School of Public Policy Engagement with a Masters in International Affairs: Governance and Human Rights. While attending The University of Pittsburgh at Bradford, Sarah earned a B.A. in History and Political Science and a B.A in Social Sciences. Sarah has a passion for education and works with the K-12 Education Director and Education team to establish a stronger presence with teachers through marketing and outreach. Sarah has a background in developing curriculum to promote global competency  through intercultural learning and worked as a Truancy Case Manager in the Philadelphia Public School District. Sarah studied abroad in Germany with Youth for Understanding’s Young Leaders Fellowship Program. She currently serves as a member of the steering committee of the Global Education Coalition of New York City (GEC-NYC.) She was born in Nairobi, Kenya and speaks Sudanese Arabic and German. In her spare time, she enjoys running and spending time with family and friends.

Lindsey Hirsch, NYC Clean Energy Communities Coordinator

Lindsey joined Solar One in 2017 to manage the NYSERDA Clean Energy Communities program in which she consults for the Mayor’s Office of Sustainability on a wide range of high impact energy efficiency and clean energy projects to help New York City and New York State meet their goal of 80% reduction of greenhouse gas emissions by 2050. Prior to joining Solar One, Lindsey worked at the San Francisco Department of the Environment as a green built environment analyst + project manager on the energy team. Before her move to San Francisco, Lindsey worked on international sustainable design competitions for an architecture firm in Shanghai, and as a commodities market intelligence analyst for Global Intelligence Alliance. While in grad school to receive her M.S. in Sustainability Management from Columbia University, she led a consulting project on climate adaption planning for FEMA + the EPA, interned for NYSERDA working on behavior-based energy efficiency, and volunteered for E+Co, which made clean energy investments in developing countries. Lindsey holds a B.A. in Environmental Studies with a minor in Asian Studies from Rollins College and a professional certificate from Stanford University in Energy Innovations + Emerging Technologies.


Angelica Ramdhari, Resilient Solar Program Manager

Angelica joined Solar One’s Here Comes Solar program in 2014 to coordinate the 1-4 family solar program. Angelica now managers Solar One’s resiliency programs (PV+energy storage). Angelica first got involved in renewable energy efforts at the University of Florida, where she helped start the Neutral Gator program to green the University’s athletics program and facilities. This project created energy reductions for low-income residents, which were then certified into carbon offsets that were applied to football games and other campus sporting events in order to make them carbon neutral. She then moved to New York to become involved with larger-scale urban green energy projects, first working on Con Edison’s energy efficiency programs for small businesses and later transitioning to small-scale solar energy installations in 2011.


Juan Parra, Community Solar Program Manager

Juan joined Solar One in 2017 to implement solar projects in low to moderate income communities. Originally from New Jersey, Juan attended Boston College where he discovered his interest in environmentalism through a senior year elective, Black and Green, which focused on how the movement has played out in underserved communities. Upon graduating, Juan began working at EnerNOC, an “energy intelligence” company, specializing in energy efficiency software, demand response programs, and procurement. At the end of his five year tenure at EnerNOC, Juan worked on their Utility Operations team, creating and maintaining relationships with utility partners in North America. Juan stayed in Boston for three years after graduating and then moved back “home” to the NYC area. Outside of work, Juan enjoys running, cooking, and reading about urban planning and architecture.

Anika Wistar-Jones,  Affordable Solar Program Manager

Anika Wistar-Jones has been making solar accessible to low-income New Yorkers since joining Solar One in 2016. She joined Solar One’s Here Comes Solar team after working in the environmental movement throughout New York and New England. As a grassroots organizer with Environment America she led campaigns against climate change and fracking, and in the political realm, she organized campaigns for Senator Markey in Massachusetts and Senator Murphy in Connecticut and worked for Senator Sanders in his Washington, DC office. More recently, she’s helped grow mission-driven solar and energy efficiency start ups in Vermont and New York. Born and raised in Vermont, Anika attended the United World College in Duino, Italy, and Middlebury College in Middlebury, VT, where she got her start in the environmental movement. When she’s not at Solar One, Anika can be found hiking in the woods, dancing in the streets, or getting lost in far-off places. She is passionate about environmental justice and the color blue.

Derek NelsonDerek Nelson, Resilient Solar Associate

Derek joined Solar One in 2017 to implement solar PV+energy storage projects. Prior to joining Solar One, Derek spent four years in San Francisco with SunEdison and the Sierra Club’s Environmental Law Program. At SunEdison, he managed the company’s solar and wind Renewable Energy Credit portfolios, and monitored SunEdison’s energy projects across the country. With the Sierra Club, Derek supported litigation seeking to replace fossil fuel-fired generation with renewables along the West Coast and conducted policy research for this litigation and other campaigns. Derek came to the Sierra Club after graduating from Columbia University with a degree in Sustainable Development and Evolutionary Biology of the Human Species. At Columbia, he received travel fellowships to study low-carbon agricultural intensification in Kenya and hydropower development in Thailand. Derek also co-authored a report on the carbon impacts of global livestock production for the UN and spent three years researching primate evolution at the American Museum of Natural History. Outside of the office, Derek is a musician and hapless Mets fan.

Cherno Sow, Solar Program Associate

Cherno joined Solar One in 2017 as a Solar Program Associate. In this role, Cherno conducts outreach to building owners and affordable housing organizations in NYC to educate them regarding the benefits of solar energy and confirm their qualification for solar. Cherno graduated from City College with a B.A. in International Studies and Political Science. Prior to joining Solar One Cherno conducted outreach for a number of local political campaigns. For the past five years, Cherno has volunteered as a community organizer with the African community in the Bronx, helping adults address immigration and housing issues, as well as mentoring young people. As a volunteer coordinator for two years with Global Peace, Cherno conducted outreach to secure the participation of 1,000 young people for the International Young Leaders Assembly at the United Nations. Cherno organized three successful galas for non-profit Pottal Fii Bhantal (Union for Development), to help connect young African entrepreneurs and raise awareness regarding violence against women in the Guinean community in NYC and abroad. In his free time he enjoys playing soccer with friends and family.

Marigo Farr, Multifamily Solar Program Manager

Marigo joined Solar One in 2017 to facilitate rooftop solar projects with multi-family market rate buildings and to develop Here Comes Solar’s long term revenue model to ensure that services for low-income communities remain accessible. Marigo’s educational background is in Community Development and Applied Economics and she is recently trained in Solar Photovoltaic Design. Before Solar One, she worked with the Advocacy Institute to support a range of social justice campaigns in New York, and as a policy consultant with the National Economic and Social Rights Initiative on a universal healthcare campaign in Vermont and a fair development plan for the City of Baltimore. Born and raised in Brooklyn, Marigo is passionate about public policy and addressing inequities in an urban environment. In her free time, she’s a poet and songwriter, and enjoys time with friends and farmland in the Hudson Valley.

Mike-WeissMichael Weiss, Solar Site Assessor

Mike joined Solar One in 2015. His background in carpentry, restoration, electrical systems, materials and environmental sustainability led him to his passion for solar energy. He was introduced to NYC Solar through the installation of a solar system at his own self-managed co-op where he took an active role in the PV interconnection and metering arrangement of the building’s electricity. Mike continued to explore the world of solar technology and policy and loves his role advancing New Yorkers’ abilities to generate clean energy and contribute to New York City’s electrical generation and distribution system. At Solar one, Mike traverses the City to analyze buildings for solar feasibility and consults on a variety of projects, providing technical expertise on topics ranging from solar energy system design to creative metering and distribution of solar energy credits in order to maximize savings for Here Comes Solar program participants. Mike lives in Sunset Park, Brooklyn with his family.

Richard Bundy, Technical Design Consultant

Richard served five years as an Aviation Electrician in the US Navy before earning a BS in Geographic Information Science from the University of Wisconsin. He joined the solar power industry in 2008, working on approximately 140 commercial, industrial and residential PV projects in roles ranging from installer to construction manager. In 2013, he moved to New York City to study for a MS in Construction Management at NYU. While studying, he led the design and construction of four PV systems in Brooklyn and Queens for a local developer. Richard joined the Solar One team early in 2016 and has been working primarily on the New York Rising Community Reconstruction Solar & Battery Backup project as a technical advisor and system designer.