Meet the Team



Dianna Cohen
Co-Founder & CEO
Los Angeles, California

© Kieran E. Scott, 200 Women

© Kieran E. Scott, 200 Women

Dianna Cohen is Co-Founder and CEO of Plastic Pollution Coalition and a passionate advocate against plastic pollution. A Los Angeles based visual artist, Dianna has shown her work internationally at galleries, foundations, and museums. She uses plastic in her artwork to make a visual and social impact. With plastic bags as her primary material for the past 27 years, Cohen is interested in exploring its materiality through modifications and the material’s relationship to culture, media, toxicity, and the world at large and shared this in her  

Dianna is a frequent speaker and media expert and has spoken at the UN and international conferences and symposia, and has been interviewed by Al Jazeera, NBC Nightly News, The New York Times, The Washington Post, The Guardian, USA Today, Martha Stewart Living, and many others. She is the recipient of the Global Green Environment Award, the Snow Angel Award, and the Environmentalist of the Year by SIMA, among others. Dianna studied Biology, Art, and Film at the University of California, Los Angeles and holds a BA in Fine Arts.

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Julia Cohen
Co-Founder & Managing Director
Washington, D.C.


Julia Cohen is Co-Founder and Managing Director of Plastic Pollution Coalition, based in Washington, D.C. Julia has nearly three decades of experience in leading executive, strategic, communications, fundraising, and outreach efforts for a wide range of government, entertainment, and non-profit groups.

She has served in leadership positions with numerous organizations, including Environmental Working Group (EWG), Woman’s National Democratic Club (WNDC), MADE SAFE, National Democratic Institute for International Affairs (NDI), Save The Children’s YouthNoise, Youth Vote Coalition, Planned Parenthood Federation of America (PPFA), Rock The Vote, and as a Program Officer, Bureau of Population, Refugees, and Migration, US State Department.

Julia has spoken at corporate headquarters, political conventions, and international conferences and symposia. She serves on the US convening team of the Break Free From Plastic movement. She is the recipient of the Leadership Award from Four Generation of Leaders in Clean Energy & Sustainable Solutions. 

She holds a BA in Modern Society and Social Thought from the University of California, Santa Cruz, and a Masters in Public Health from the University of California, Berkeley.

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Sarah Baczewski
Office & Development Manager
Washington, DC


Sarah joined Plastic Pollution Coalition in 2018 after a 12-year career in the entertainment industry, working for Akatsuki Entertainment, ANEW USA, Entertainment Media Ventures (Sandy Climan) and Barry Krost Management. Sarah keeps the office running, handling everything related to admin, finance, donations, development and fundraising and event-planning. She holds a BA from Whitman College (Major: Theatre; Minor: English). In her spare time, she’s a big reader, loves to watch films and television, attend live theatre (especially musicals!), travel, and spend time with her two cats (Timmy & Angel).

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Summer Coish
Global Policy Director
Nairobi, Kenya


Summer is the Global Policy Director for Plastic Pollution Coalition based in Nairobi, Kenya.

She brings nearly two decades of experience working in the field of international policy and community-based development, with a focus on urban environmental health and justice issues. Summer has worked with governments, non-governmental organizations, community-based organizations, and the private sector to connect the needs of communities with effective policy measures. 

She has worked on projects across South Africa, Kazakhstan, Uzbekistan, and Kyrgyzstan, in addition to six years in Afghanistan where she researched the informal urban waste and sanitation sector. Most recently, Summer led a community engagement initiative with urban refugees and Egyptians for the International Organization for Migration (IOM) in Cairo and Alexandria, Egypt. She holds a BA in International Economics from The George Washington University and a Master’s Degree in Public Health from Boston University.

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Emily DiFrisco
Director of Communications
Chicago, Illinois


Emily is Director of Communications for Plastic Pollution Coalition with 14 years of experience in communications and marketing for nonprofit organizations. A passionate advocate for children’s health, plastic-free living, and changing corporate practices on single-use plastic, Emily helped create viral digital campaigns #orangegate #OpenYourEyes and #StarbucksTrash for Plastic Pollution Coalition, and on toxic chemicals for Healthy Child Healthy World and Environmental Working Group. 

She has been interviewed by NBC Nightly News, Healthy Living Healthy Planet Radio, and The Bay City Beacon, among others, and her work has been published in the Earth Island Journal. 

She has a BA in English and Journalism from Calvin University, and lives in Chicago, IL with her spouse Dave and children ages 7, 5, and 3.

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Daniel Kerry
Executive Assistant
Los Angeles, California


Daniel Kerry has ten years of experience working for non-profit organizations. Starting as a medical assistant and youth counselor in 2007, Daniel distinguished himself and worked his way up to administrative and executive supporting roles. A philosophy graduate from Sonoma County, CA, Daniel developed an early interest in working for organizations affecting meaningful change in the world; from group homes serving at-risk youth populations to mental health clinics serving homeless senior citizens. Plastic Pollution Coalition’s work and mission immediately attracted his interest at a time when the global plastic pollution crisis has become a burgeoning and ever-present theme in media and politics. Daniel is proud to be a part of PPC’s amazing dream team of professionals.

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Roshani Kothari
Technology & Digital Operations Director
Washington, D.C.


Roshani manages all technology related projects, including the website and CRM for Plastic Pollution Coalition. She has extensive experience working with nonprofits and technology companies, including, Community IT Innovators, Ginkgo Street Labs, D-tree International, International Women's Media Foundation, and Pact. She has a BA in International Studies and Communications from Trinity University in San Antonio, Texas, and an MA in International Development from George Washington University in Washington, D.C. Her one tip for fighting plastic pollution is: bring an Indian tiffin or a reusable container for leftovers when you eat out at restaurants. In her spare time, she enjoys traveling, and gardening.

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Jackie Nuñez
Founder of The Last Plastic Straw & Advocacy Program Manager
Santa Cruz, California


Jackie created the No Plastic Straws movement when she founded in 2011 as a volunteer project for Save Our Shores. The Last Plastic Straw has been a project of Plastic Pollution Coalition since 2016. 

She is a part time kayak guide, full time activist, and lives in Santa Cruz, California, where she teaches people of all ages how to speak truth to plastic and be an agent for change in their communities. She has advised on more than 20 local ordinances limiting single-use foodware including plastic straws. 

Jackie has a BS in Health and a AS in Horticulture, and has a passion for travel, ocean sports, design, gardening, the environment, and community service. Jackie is a frequent speaker at international conferences, in the press, and was featured in the award-winning documentary .  

Jackie was chosen, out of a field of over 10,000 women, as part of a crew made up of over 300 multidisciplinary women that has set sail across 30 voyages over a two-year period, from October 2019- September 2021 called the an all-female sailing voyage and research mission. As crew for Leg 15, sailing 2,000 nautical miles in total, she will participate in the onboard science program during the Darwin to Perth voyage in August 2020, to explore plastics and toxics in our ocean and work on solutions and outreach along the coastline of Western Australia.

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Julianne Waite
Director of Marketing & Digital Strategy
Santa Cruz, CA


As the Director of Marketing & Digital Strategy, Julianne works closely with Coalition businesses, organizations, and Notable Members to develop meaningful collaborations aimed at raising awareness about and highlighting solutions to the issue of plastic pollution. She brings over 7 years of marketing and digital strategy experience in both nonprofit and for-profit settings. Through content creation, social media management, advertising, strategic brand collaborations, ambassador programs, and community management, she has helped environmental nonprofits and sustainably focused businesses grow their presence both online and offline. She holds BAs in History and Anthropology from the University of California, Santa Cruz.

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