Innovative Design.

Evidence-based Strategies.

Woman Owned & Operated.

Laura Tamman

Founding Partner

A veteran political strategist who has advised hundreds of candidates, including half a dozen presidential campaigns, Laura founded Greenlight in 2009.

Prior to founding Greenlight, Laura led direct mail programs for Knickerbocker SKD. She managed the firm’s engagements with high-profile clients such as Obama for America. Laura served on the staff of presidential candidates John Edwards and Al Gore, and advised John Kerry’s 2004 presidential campaign.

Laura earned a bachelors degree from the University of Georgia, a master’s degree from Oxford University in England and is completing a PhD at the City University of New York’s Graduate Center.

Emily Passini


With nearly two decades of experience in campaign management, coalition building, and grassroots advocacy, Emily has an impressive track record of winning tough fights. She served as the Chief of Staff to Nashville Mayor David Briley leading efforts to establish a $15/hour minimum wage for all Metro employees; investing an historic $750 million in affordable housing; and bringing 10,000 new jobs to the city. As the Tennessee House Democratic Caucus Director in 2006, Emily held House Democrats in the majority without losing a single seat. It was the first time in a decade that Democrats did not suffer a net loss.

Named a “2016 Top 40 Under 40” by the American Association of Political Consultants, Emily has worked on campaigns in more than 30 states. She has served as a regional Political Director of the Democratic Legislative Campaign Committee (DLCC) where she oversaw the strategic and spending decisions in 13 states across the country. Additionally, Emily was the Special Assistant to the Commissioner of Mental Health and Developmental Disabilities in Governor Phil Bredesen’s administration.

A native of Little Rock, Arkansas, Emily holds a bachelor’s degree In Urban Studies from Rhodes College, and a master’s degree in Urban Anthropology from the University of Memphis. A member of the organizing committee that launched Emerge Tennessee – the 17th state affiliate of Emerge America, Emily served as the Founding Board Chair. She was 2018 recipient of the Nashville Athena Young Professional Leadership Award. Emily lives in Nashville, Tennessee.


elizabeth wilson

creative director

Greenlight’s Creative Director, Elizabeth Wilson has more than two decades of experience creating visuals for some of the most exciting brands, and candidates, in the country. 

Before joining Greenlight Elizabeth worked on Madison Avenue as a Senior Art Director for Robert A. Becker. There she helped launch major pharmaceutical brands like Celebrex, Zoloft, and Plavix. She has also created artwork for premiere brands including Vera Wang, Gray Goose vodka and Audi as well as for television launches such as HBO’s Girls, Boardwalk Empire, and MTV’s Real Work Reunions. Elizabeth has also designed artwork for iconic musicians such as Jay-Z, Beyonce, David Bowie, & The Killers, as well as premiere organizations such as the Rockefeller Foundation. She was educated at the School of Visual Arts, The Cooper Union, and the New York Studio School. 

Elizabeth is a graduate of Kenyon College, with degrees in History and Fine Art.


Tasha Ellis

chief operating officer

Greenlight’s Chief Operating Officer, Tasha Ellis, is a seasoned strategic political thinker with deep experience in Democratic politics.

Before joining Greenlight, Tasha served as litigation coordinator at the firm Barrett Johnston Martin & Garrison, LLC, where she worked with legal clients and on federal cases. She previously worked as office manager for the Tennessee Democratic Party, where she assisted the chairman and executive director with capacity-building and executive correspondence.

Outside the office, Tasha has served as an executive committee member and treasurer for the Davidson County Democratic Party, and is currently a member of the board for an annual community event that serves over 3,000 underserved immigrant children. She is also a founding contributor of the 260 Change Fund, a black philanthropic giving circle. 

Tasha holds a bachelor’s degree from Tennessee State University and an MBA from Trevecca Nazarene University.

matt anderson

senior vice president

Matt is a long-time communications professional who creates winning messaging for campaigns across the country.

Prior to joining Greenlight, he served as press secretary for the Tennessee Senate Democratic Caucus, amplifying the voices of Democratic Senators well above their numbers in the legislative body.

Outside of his work for the Senate Caucus, he led earned media efforts for Protect Our Care that sought to protect the Affordable Care Act. He has served as an elected member of the Davidson County Democratic Party Executive Committee and was selected as a New Leaders Council fellow in 2017.

Before he began working in politics, Matt was a reporter and community news editor for The Tennessean. He holds a bachelor’s degree from Middle Tennessee State University.

Sam Warlick

Vice President

As Greenlight’s Vice President, Sam Warlick works with campaigns and candidates to reach diverse audiences across multiple platforms with emotionally resonant stories.

Sam is an experienced digital strategist and speechwriter who previously served as Digital Director to Nashville Mayor David Briley. Before joining the mayor’s office, he oversaw digital communications for the National League of Cities and, prior to that, for the Congress for the New Urbanism, both in Washington, DC.

Outside the office, Sam serves on the executive committee of the Davidson County Democratic Party and is active in LGBTQ+ advocacy in Tennessee.

Sam is a Nashville native and holds a bachelor’s degree from Kenyon College in Gambier, Ohio.

Ravi Charan

Director of Analytics

Ravi Charan has extensive experience as a data scientist in both the private and political sectors. As a Business Analyst for McKinsey, Ravi’s worked with large health and P&C insurers to understand their claims. As the founder of a YC fellowship company, he worked on personalizing education. Ravi earned Bachelor degrees in both Mathematics and Political Science from the Massachusetts Institute of Technology (MIT).