Headquarters Staff

Executive Leadership

Erica Mackie, P.E., Co-Founder and Chief Executive Officer
Erica Mackie co-founded GRID Alternatives in 2001 and has developed it into a major national non-profit. Ms. Mackie has received numerous awards for her leadership of GRID Alternatives, including the Governor's Environmental and Economic Leadership Award in 2008, the New Leaders Council Energy Leadership Award in 2009, the James Irvine Foundation Leadership Award in 2010, the US Green Building Council’s Green Building Super Hero Award in 2010 and the 2013 Clean Energy and Empowerment Award from C3E. Ms. Mackie’s professional experience prior to GRID Alternatives included work in the social sector, first with survivors of domestic violence and then with youth at risk, as well as work in renewable energy and energy efficiency consulting and sales. She holds two bachelor’s degrees from Southern Illinois University, one in Mechanical Engineering and the other in Physics.
Tim Sears, P.E., Co-Founder and Chief Operations Officer
Tim Sears co-founded GRID Alternatives in 2001 and has developed it into a major national non-profit. He has shared with Erica Mackie numerous leadership awards for this work, and in 2014 was honored by the White House as a “Champion of Change” for Solar Deployment. Tim is a graduate of Stanford University with a degree in Civil and Environmental Engineering, and before starting GRID Alternatives managed consulting teams of engineers providing comprehensive energy efficiency retrofit recommendations and construction management of projects totaling over $3 million. Tim is also certified by the North American Board of Certified Energy Practitioners (NABCEP) as a Certified Solar PV Installer.
Zach Franklin, Chief Strategy Officer
Zach Franklin joined GRID Alternatives in 2006 and has helped grow it into a nationally recognized organization. As part of GRID's vision of a transition to clean, renewable energy that includes everyone, Zach launched and leads the organization's expanding clean mobility work. This initiative, initially focused in California, works to make electric vehicles more accessible to the communities GRID serves through investments from the California Air Resources Board (CARB) in low-carbon transportation equity programs, and SB 1275, the California Charge Ahead Initiative. Prior to joining GRID, Zach worked in the affordable housing field in the areas of project development, fundraising, and community services, including launching and running community technology centers at affordable housing complexes in the Bay Area and Providence, Rhode Island and developing housing facilities for low-income seniors and homeless families in Oakland and Richmond. He holds a degree in Economics and History from Brown University and serves on the Board of Directors of Rising Sun Center for Opportunity, a leading workforce development organization based in Oakland.
Bambi Tran, Vice President of Regions
Bambi grew up in the Washington, DC area. She holds a B.S. in Architecture from the University of Virginia, a Masters in Real Estate Development from the University of Maryland in College Park, and is a LEED Accredited Professional. In her career she has worked as a green builder, designer, and consultant for a number of private and non-profit developers, building owners, and design/engineering/contracting firms throughout the US and internationally. Bambi enjoys cooking, eating, hiking, traveling, reading, teaching, humming, building things, and spending time with her family. She believes in trying anything, especially unique foods, at least once!


Anna Bautista, Vice President of Construction
Anna has broad experience in the solar industry as a site supervisor, hands-on trainer, and design and installation technician. In the private sector, she managed over $4M in residential and small commercial PV projects. She has worked on renewable energy projects and environmental justice campaigns in the Philippines, Haiti, and Costa Rica but is honored to share her skills locally to help democratize access to renewable energy and energy efficiency solutions and training. Anna has a degree in Electrical Engineering from MIT and is proud to represent among other women who are NABCEP Certified Installers in California.
Director of Operations and Maintenance
Field Operations Manager
Safety Officer
Construction Training Manager
SolarCorps Construction/O&M Fellow
Operations Coordinator
Director of Engineering
Commercial Project Designer/Engineer

Workforce Development

Erika Symmonds, Vice President of Workforce Development & Service Learning
Erika's professional background spans the not-for-profit sectors of youth development, national service, green construction, and workforce development. Soon after installing panels with GRID for the first time while serving as an AmeriCorps member with Habitat Humanity East Bay, she co-founded Green City Force, a non-profit that combines service and training to connect youth of low-income backgrounds to opportunities in the green economy. Erika joined GRID Alternatives in 2015 and is proud to now focus her time on making solar careers accessible through supporting GRID Alternative's workforce development efforts. Erika is a Brooklyn, NY native and studied Computer Science and Studio Art at Wellesley College in Massachusetts.
Training and Service Program Manager
National SolarCorps Program Director
SolarCorps Workforce Development Fellow
SolarCorps Program Development Fellow
Training and Service Program Manager
SOMAH Workforce Development Manager


Adam Bad Wound, Vice President of Philanthropy
Adam’s mission is to strengthen people and planet through philanthropy. As Vice President of Philanthropy at GRID Alternatives, Adam manages all organization-wide strategies to advance philanthropic partnerships and promote a culture of philanthropy. Adam founded the Tribal Solar Accelerator Fund in 2018 and serves as the leading executive for all grant-making activities, solar project development, and tribal partnerships. Adam is a frequent speaker and thought leader on energy sovereignty and related topics and in 2020, he was recognized on the Energy News Network “40 under 40” list, spotlighting emerging leaders and innovators from across the U.S. and their work in America’s transition to a clean energy economy. His career began at Stanford University at the Haas Center for Public Service, in a joint appointment with the Center on Philanthropy and Civil Society. Since then, he has worked for more than a decade in environmental nonprofits, including the California Academy of Sciences, NatureBridge, and the Wilderness Society. Adam holds an undergraduate degree from St. Olaf College, graduate degrees from Columbia and Stanford, and an Executive Certificate in Nonprofit Leadership from Harvard. Adam actively volunteers at Stanford where he serves on the National Advisory Board of the Haas Center for Public Service and recently completed a five-year term as a member of the Board of Directors of the Stanford Alumni Association. Adam is an enrolled member of the Oglala Sioux Tribe (Lakota) and in his free time, you can find him exploring the badlands, grasslands, and Black Hills of South Dakota.
Director of Tribal Solar Accelerator Fund
Director of Member & Donor Partnerships
Director of Institutional Partnerships
Government Grants Manager
Director of Corporate Partnerships
Corporate Partnerships Coordinator
Philanthropy Operations Manager
National Corporate Partnerships Coordinator
Institutional Partnerships Coordinator


SolarCorps Communications Fellow
Maya Batres, Public Relations Director
Maya Batres (she/her) has over a decade of experience in climate and energy research and advocacy, including leading programs at ClimateWorks Foundation and The Nature Conservancy. She has authored several papers on climate change, land use and environmental justice, is the recipient of an Upper Midwest Human Rights Fellowship, and is an AmeriCorps VISTA alumni. Maya earned her J.D. and her B.A. from the University of Minnesota with a focus on the intersection of civil rights, justice, and the environment. She spends most of her free time running and hiking in the mountains with her dog, and believes outside is for everybody. Maya is Guatemalan-American and speaks Spanish and English.
Laura Shapiro, Senior Marketing Director
Laura Shapiro manages GRID's marketing and brand, creating and overhauling outreach, fundraising, and programmatic materials and our online presence. Before joining GRID, Laura was the Director of Digital Engagement at Global Fund for Women, where she first learned about environmental justice. Laura is a passionate advocate for climate solutions and loves improving the impact of nonprofits through smart systems and excellent design. She lives with her partner and two cats named after fonts.
Marketing Communications Manager
Content and Media Manager
Communications Coordinator

Program Administration

SOMAH Workforce Development Specialist
Program Assistant
Senior Director, Program Administration
Program Assistant
Program Manager
Program Assistant
Program Manager, SASH/DAC-SASH
Senior Director, Program Administration
SOMAH Marketing, Education & Outreach Program Manager
SOMAH Senior Program Manager
SOMAH Technical Specialist
SOMAH Technical Specialist
SolarCorps SOMAH ME&O Fellow

Policy & Business Development

Stan Greschner, Chief Policy and Business Development Officer
Stan directed the country’s first low-income solar incentive program (California’s SASH Program), and works closely with policy makers, regulators, utilities, solar companies, and community organizations throughout the country to expand solar access and jobs to underserved communities. Stan is a contributing author to lowincomesolar.org. Stan holds a bachelor’s degree in bio-mechanical engineering from Marquette University, and a master’s degree in philosophy and public policy from American University. Stan also has a professional background in mechanical engineering, contract manufacturing, and international development programming.
Policy and Business Development Project Manager
Director of Multifamily and Commercial Development
Program Manager
Director of Community Solar
Multifamily Technical Assistance Coordinator
Multifamily Program Coordinator
Policy and Regulatory Manager
Business & Project Development Manager
Commercial Solar Engineer
Workforce Policy Project Manager
SolarCorps Multifamily Fellow


Jeff Coleman, Vice President of Outreach
Jeff has been a leader at the intersection of technology, organizing, and social impact for more than a decade. Since 2003, Jeff has helped leading nonprofits, labor unions, campaigns, and startups build large-scale grassroots organizations by combining traditional community organizing practices with smart, strategic opportunities to leverage emerging technology. Jeff has been a founding executive, advisor, and consultant to social impact startups including Farmigo, Amicus, and Organizer Inc. - technology platforms that empower citizens to organize and bring change to their communities. Prior to that, as Deputy Field Director in 2008 and Senior Advisor in 2012, he was instrumental in developing the groundbreaking organizing strategy of Barack Obama’s historic presidential campaigns. He studied Geographic Information Systems at San Francisco State University.
Director of Family Services
Director of Outreach Marketing
Customer Care Specialist
Intake Operations Manager
Senior Community Engagement Manager
Outreach Associate
Director of Community Care, Clean Mobility

International Program

Jenean Smith, Senior Director of International Programs
Jenean joined the solar industry in 2007 to work for Mitsubishi Electric's Solar Division and later worked for Trojan Battery Company's Renewable Energy Division. She is the founder of Power to the People, a non-profit organization that helps bring renewable energy solutions to the developing world, and facilitated its acquisition by GRID Alternatives. She lived in Central America for four years working as the Youth Program Director for the Riecken Foundation in Honduras and was a Peace Corps volunteer in San Lorenzo, Boaco, Nicaragua. Jenean holds a BA in Sociology from UMASS Boston, an MBA from Northeastern University and a Masters in Sustainable International Development from Brandeis University.
Solar Technician
Solar Installation Supervisor
Solar Technician
Nepal Project Coordinator
Project and Impact Manager
Country Manager - Nicaragua
Solar Installation Supervisor
Mexico Program Manager

Tribal Program

Tim Willink, Director of Tribal Programs
Tim Willink joined GRID in 2014 to lead its new National Tribal Solar Program, bringing solar power and job training to tribal communities nationwide. Mr. Willink earned his B.A. in economics from Cornell University and worked as a lobbyist for the Navajo Nation Washington Office representing the tribe in economic development and education. After living and traveling throughout the United States and Canada, he settled in Colorado and spent six years with Namaste Solar as a Field Supervisor for commercial solar installations. A Navajo from Pueblo Pintado, New Mexico, Mr. Willink has a deep understanding of energy issues on tribal lands, and aims to partner with tribes on both residential and commercial projects in order to bring solar to tribal communities across the country.
Tribal Program Coordinator
Tribal Program Assistant
Tribal Program Construction Assistant
SolarCorps Tribal Construction Fellow

HR & Admin

Katie Kerr, Vice President of People and Culture
Katie started at GRID as an AmeriCorps VISTA volunteer and has since transitioned into her role in HR building the department from the ground up. She graduated from Boston University with a BA in Sociology. She hails from sunny Philadelphia but now calls the Bay her home. She is deeply committed to creating an inclusive environment at GRID Alternatives where staff, clients, volunteers, and partners have a space to grow and feel heard.
HR Assistant
Director of Equity, Inclusion & Diversity
Office Manager/Executive Assistant
Talent & Acquisition Director
Senior HR Manager
Senior HR Generalist
HR Generalist
Senior Executive Assistant


Steven Fernandez, Vice President of Operations
Steven has a degree in International Relations with a minor in Geography from Florida International University. After college he returned to his hometown in Pennsylvania and worked for a law firm in downtown Philadelphia, but found a new passion in solar technology. He enrolled in a Photovoltaic program offered by the City University of New York and soon after found work with a small renewable energy company. His desire to help others, implement renewable technologies, and enjoy the great outdoors lead him to California in 2008, where he joined GRID Alternatives' San Diego office as an AmeriCorps VISTA. From that humble beginning he has worked in several different positions with GRID Alternatives, giving him a great understanding of the organization and more passion for GRID's mission. In 2010 he moved to San Luis Obispo County to establish and lead GRID Alternatives' Central Coast office. After helping to launch our New York Tri-State office, Steven went on to take a role as Director of Operations with the GRID Alternatives Headquarters team. Steven is a NABCEP Certified PV Installation Professional and licensed NJ Electrician.
Logistics Supply Chain Manager
Operations Manager
Salesforce Operations Coordinator
Procurement Manager
Office Manager

Clean Mobility

Access Clean California Project Director
Electric Vehicle Supply Equipment Project Manager
Electric Vehicle Supply Equipment Program Manager
Project Coordinator, Access Clean California
Clean Mobility Partnerships Coordinator
Clean Mobility Program Assistant
Director, Shared Mobility
Clean Mobility Outreach Coordinator


Payroll Manager
Accounts Payable Specialist
Senior Accountant
Data Analyst
Accounts Payable Staff Accountant
Commercial Job Cost Accountant