Stephen Massey is a social entrepreneur and communications expert who builds unlikely partnerships for social good — across geographies, industries and sectors. Over the past 15 years, he has led integrated cause-marketing campaigns in the U.S. and abroad, and has cultivated initiatives with major foundations, media organizations, international institutions and Fortune 500 companies.

Stephen is the co-founder of Meteorite, the social impact firm that powers the Health Action Alliance. Prior to launching Meteorite, Stephen co-founded a non-profit health policy organization in Russia, helped mobilize more than 300 of the world’s leading media companies in response to AIDS, and managed a multi-million dollar investment portfolio on behalf of a major operating foundation and the United Nations. He’s built Emmy and Peabody Award-winning campaigns on a wide range of social issues, including public health, civic engagement, climate change and early literacy. A first-generation Cuban-American, Stephen served as a White House National Security Fellow in the Clinton Administration and studied international development and economics at Georgetown, Columbia and Oxford Universities.

Sarah Rauzin is a public health strategist and cross-sector collaborator advancing workplace-driven solutions to today’s most urgent health challenges. As Director and Lead of Research and Advisory at Meteorite, the organization behind the Health Action Alliance, she helps employers translate complex public health issues into clear, actionable strategies that support employee well-being and strengthen business resilience.

Her work spans a wide range of issues, including mental health, women's health, chronic conditions, respiratory health, and MSD prevention. With a background in prevention science and crisis response, Sarah has authored and co-authored programs that bring public health theory into practical application in college, military, and workplace settings, including SHIELD — an award-winning leadership and sexual assault prevention program with Jacksonville Naval Air Station.

Through every initiative, Sarah leads with deep listening, drawing on diverse perspectives and data-driven insights to align shared values into win-win strategies that drive real-world impact.

‍

Rachel Reyes is a seasoned political and community organizer. Born and raised in the San Fernando Valley, Rachel is a sixth generation Angeleno and proud Dodgers fan. In 2022, Rachel joined Meteorite, bringing her experience in labor and worker advocacy to the company’s health teams. Rachel has a background in the nonprofit sector, most recently working during the height of the COVID-19 pandemic with grocery and retail workers. Her work during this time ensured that essential workers were guaranteed higher pay, direct access to protections, and stronger contracts overall.

Rachel’s passion for labor comes in part from her longtime retail work, managing businesses in both England and the US, from small boutiques to multimillion dollar flagship stores. Rachel began her career in museum education, working for the Natural History Museum, the Los Angeles County Museum of Art, and the National Gallery in London. When she’s not working, you can find Rachel in the field for local electoral campaigns. Her dedication to local politics has improved the lives of working people across Los Angeles, from passing policies like Fair Workweek to electing City Councilmember Nithya Raman. She is also a freelance writer and podcaster. Rachel is a two-time Getty Scholar and holds a B.A. in Art History and Ethnic Studies from Mills College.

Caroline is passionate about leveraging media and communications for social good through strategic communications, partnerships, and integrated campaign development.

Caroline spent 15 years at KFF (Kaiser Family Foundation) on the Social Impact Media team where she led the creative development and production of the foundation’s Greater Than AIDS initiative - a public information response to the domestic HIV/AIDS epidemic. She also managed ongoing partnerships with national media companies and corporations, including the Greater Than AIDS/Walgreens National HIV Community Partnership - an initiative working with local health departments and community organizations to expand free HIV testing and information in non-traditional settings.

Caroline holds a Master’s degree in Strategic Communication from American University and has served in past communications and marketing roles at National Public Radio, American University, and the Media Education Foundation.

Steven Levine is an expert in social impact and corporate communications, having held prominent positions at the White House and in the executive offices of major U.S. media companies.

Before co-founding Meteorite, the social impact firm that powers the Health Action Alliance, Steven launched Univision’s social impact brand and worked to transform the traditional media company into the defining entertainment, news and political advocacy brand of the U.S. Hispanic community. Previously, Steven served as the White House Associate Director of Communications under President George W. Bush, where he was responsible for executing every single presidential media event held on White House grounds.Steven earned his MBA from NYU’s Stern School of Business.

Mario Harper is a purpose-driven, servant leader with over 10 years of experience in Business Development, Program Management, and Advocacy in medical devices, HIV care and diagnostics.

He most recently served as the Director of Enterprise Business Development Molecular Testing Labs, a pioneer in the space of PrEP/HIV testing. Prior to that, he served as a 340B Healthcare Senior Account Executive for Avita Pharmacy, where he worked with nearly 40 Ryan White and STI clinics providing consultative program support aimed at reducing gaps in access to healthcare, ending the AIDS epidemic, empowering sexual wellness & educating underserved populations who are most at risk for HIV and STI transmission.

A Certified Professional Coach, Mario attended The Institute for Professional Excellence in Coaching (IPEC) and completed his undergraduate studies in Communications at LSU.

He is also a proud board member of the National Sales Network (NSN) and ACE TeleHelp Services.

Claire Whedbee is a versatile events marketer, producer, and strategist with a passion for creating memorable moments and building connection through live experiences. With over ten years of diverse professional and industry experience, she brings her background in design, food, technology, and media, as well as expertise in driving impact through events, to Meteorite.

Claire’s career has been largely focused on developing strong foundations for events strategy and execution for early-stage companies – setting up critical processes from scratch to allow for sustainable growth. Prior to Meteorite, Claire served as the Director of Events at Protocol, the tech media startup founded by news organization POLITICO, where she oversaw the company’s virtual and in-person events program spotlighting editorial talent and delivering high-value thought leadership to audiences and customers. Claire also previously held the position of head of consumer events at Impossible Foods, where she supported the company’s rapid growth from a niche sustainable foods startup to a globally-recognized brand, and as a member of the global events and experience team at design and innovation firm, IDEO.

Claire is based in San Francisco and holds a B.A. in Sociology from Occidental College.

Ariel has 15 years experience in empowering non-profit and mission-based organizations through impactful creative direction and design. Her professional strength lies in her ability to navigate both the analytical and the abstract, and distill them into tools for visual storytelling in order to translate complex problems — and their potential solutions — into engaging and accessible collateral.

Her ability to blend creativity with purpose has fostered successful partnerships with a diverse range of mission-based organizations, including those focused on prison reform, women's health, civic engagement, climate change, foster care reform, mental health advocacy, arts education, anti-racism education, anti-hate initiatives, and more.

Outside of work Ariel is passionate about being involved in her local community and takes on several pro-bono projects in Long Beach every year. Her latest pro-bono work includes creative collateral for education around local ecology and California Native green spaces, as well as a mural for a local coffee shop that provides trauma-informed job training for individuals experiencing housing insecurity.

Adrian Sixtos is a designer specializing in building digital and print materials. Throughout his career, he has focused on creating materials and design systems with special attention to craft. A designer at his core, he obsesses over understanding each contemporary design tool and even adopts new and emerging ones.

Adrian enjoys the challenge of bringing creative solutions to any project. Having worked as a graphic designer for multiple clients over the last 5 years, Adrian has seen how good design can benefit any industry. Adrian is a listener, attentive to others and their perspectives on day-to-day problems, and driven to create solutions to those problems. During the day, you can find him working as a freelance graphic designer. Although his professional experience primarily lies in brand and print, he has stepped into other roles that include web design, motion graphics, and photo editing.

In his free time, Adrian enjoys traveling. On the weekends, you can usually find him relaxing at home or hiking the trails of Oregon with his wife, Evelin. His ultimate goal is to travel the world with his wife.

Noelene Clark is an editorial director who helps organizations tell meaningful stories for a wide variety of audiences.

Over the last 15 years, Noelene has led content teams at TV Guide, Entertainment Weekly and The Messenger. She’s also written and edited for news organizations across the country, including Los Angeles Times, Austin American-Statesman, Newsweek, The Seattle Times and more.

Makaila Heifner is a dynamic communications professional dedicated to advancing initiatives in health. With over 5 years of experience spanning various sectors, Makaila brings a diverse skill set and a wealth of versatile knowledge to the Health Action Alliance.

In her previous roles, Makaila collaborated with a range of nonprofits, addressing topics from grief and mental health to diabetes awareness. Specializing in communications and marketing, she excels in simplifying complex issues and developing educational campaigns to engage and inform audiences. Her creative and strategic approach enables her to tackle challenges effectively and produce impactful work. She is excited to continue to drive meaningful initiatives forward with the Meteorite team.

Makaila holds a Bachelor's degree in Global Studies with a concentration in Peace and Conflict Studies in the Americas, along with a minor in Public Policy from the University of California, Berkeley. Beyond her professional pursuits, Makaila is deeply committed to social causes, volunteering with organizations focused on criminal justice reform. Currently, she is actively involved with Inside Books Project in Austin, TX, facilitating the distribution of free literature to incarcerated individuals in Texas while advocating for public awareness of incarceration-related issues. Additionally, Makaila channels her creativity as a freelance writer, artist, and photographer, with expertise in music and live events.

Lori Hoffman is Vice President of Product & Content Strategy at Meteorite. A media industry veteran, Lori spent over 20 years at a wide spectrum of publications, including Modern Bride, Wine Spectator, Jane, Popular Mechanics, Latina and Vibe. Throughout her career she has held nearly every editorial position possible — from reporter to copy editor, managing editor to executive editor, giving her an expansive lens into the creativity and operational needs of leading creative teams. 

She spent six years at Fast Company, as the director of editorial strategy, where, in addition to managing the staff and the print magazine, she worked alongside legendary editor-in-chief Bob Safian to bring live events, awards programs, and other non-traditional content formats to life.

In 2017, Lori transitioned to a leadership role at communications and storytelling agency LaunchSquad/Original9 Media, where she was an SVP of content and editorial strategy, growing a team of content editors and strategists, and building owned content programs for brands in a variety of industries.

Returning to media in 2021, Lori stepped into the Chief Content Officer, and later, interim-President role at WaitWhat, an inventive digital media company responsible for groundbreaking podcasts like Masters of Scale with Reid Hoffman and Meditative Story. She co-executive produced the inaugural Masters of Scale Summit and shepherded innovative products like the Masters of Scale Courses.

David Leathers is a sustainability and impact leader focused on accelerating solutions through business action. He brings deep experience in program management, sustainability, and stakeholder engagement to his work at Meteorite, where he focuses on climate and workforce health. Most recently at B Lab, the organization behind the B Corp movement, David led strategic initiatives to strengthen sustainability standards and impact measurement for almost 10,000 Certified B Corporations worldwide. Prior to B Lab, as part of the Global Purpose team at Deloitte, David helped lead engagement and measurement for World Impact—Deloitte's portfolio of climate and social impact initiatives. As a consultant at Deloitte, he supported organizations in the technology, government, and nonprofit sectors. David has also lived and worked abroad in Jordan and Egypt, and is a Climate base Fellow and New Leaders Council Fellow. He holds a BA in Philosophy, Politics, and Economics from Claremont McKenna College. He is originally from Seattle and is now based in New York City.

Keira Adams is a rising junior at Harvard in Winthrop House studying Neuroscience and Global Health & Health Policy. This summer, Keira will be working for the Health Action Alliance’s U.S. Business Action to End HIV. Keira is passionate about healthcare equity and is excited to dive into the intersection of health policy and business. In her role, she will be working to ensure that top companies continue to advocate to end HIV whether that is through championing bills, donations, or employee programming. Back at campus, Keira serves as the President of the Association of Black Harvard Women, a mentor at Harvard Radcliffe’s Emerging Leaders Program, an Ambassador for the Harvard Global Health Institute and former Social Chair of Harvard College Generational African American Student Association. A fun fact about Keira is that while she graduated high school in El Paso, TX, she has also lived in the U.S. Virgin Islands, Dallas, New Orleans, Senegal, and northern Virginia. She loves trivia and reality TV!

Abby Curtis is a junior at Harvard College studying Chemical and Physical Biology and Sociology, with a secondary in Physics. Her academic and research experiences span both lab-based science and community-centered sociology, including projects on microbial imaging, school leadership structures, and health practices within religious enclaves. Outside the classroom, she’s involved at a local homeless shelter, a birth doula for young mothers, and co-leads a science outreach initiative connecting Harvard researchers with local public schools. She is drawn to public health by the challenge of translating knowledge into action, especially in ways that build trust and serve underrepresented communities. This summer, she’s excited to learn from Meteorite about how businesses can meaningfully contribute to health equity and how effective communication strategies can support stronger public health responses.

‍

Shreya Agrawal is a climate and sustainability professional with experience spanning ESG consulting, public policy, and research. At Meteorite, she supports the National Commission on Climate and Workforce Health, bringing an interdisciplinary approach to advancing business engagement on climate-related health risks.

Prior to joining Meteorite, Shreya interned at Dell Technologies, where she worked on ESG initiatives across circular economy, climate, human rights, AI, and sustainability reporting. She designed new program concepts, informed strategy through research-driven recommendations, and supported large-scale ESG disclosures. At the Environmental and Energy Study Institute, she authored articles and fact sheets on energy policy and electrification initiatives, while also synthesizing congressional briefings on climate risk, local climate action, and COP negotiations. She additionally served as a sustainability consultant with Goodwill Central Texas, developing data-driven recommendations to reduce textile waste and improve operational efficiency.

Shreya is passionate about creating sustainable systems that center equity, resilience, and well-being. She holds a BS in environmental science and a BA in economics from the University of Texas at Austin.