Volunteer
ashton kutcher
I make stuff, actually I make up stuff, stories mostly, collaborations of thoughts, dreams, and actions. Thats me.10,871,506 followers | Follow
Demi Moore
5,131,943 followers | Follow
Maria Shriver
I am an activist, author, journalist and mother. I consider myself a work in progress. My mission: to inspire and empower people to be Architects of Change.1,615,443 followers | Follow
charity: water
charity: water is a non-profit organization bringing clean and safe drinking water to people in developing nations.1,373,403 followers | Follow
Nicholas Kristof
New York Times columnist, two-time Pulitzer Prize winner, co-author @Half the Sky, http://www.facebook.com/kristof1,260,766 followers | Follow
UN Refugee Agency
The official account of UNHCR. Follow us as we provide vital aid and protection to the forcibly displaced around the world (@AlexandraKE tweeting)1,220,457 followers | Follow
Arianna Huffington
president and editor-in-chief of the huffington post media group. mother. sister. flat shoe advocate. sleep evangelist.920,891 followers | Follow
American Red Cross
Official twitter stream for the American Red Cross. Follow us for disaster and preparedness updates.705,107 followers | Follow
Steve Case
Co-founder of AOL; now Chairman of Case Foundation and Revolution (Zipcar, LivingSocial, Exclusive Resorts, Everyday Health, Revolution Money, Miraval, etc)504,730 followers | Follow
Cesar Millan
My whole life dogs followed me. Growing up poor in Mexico, people called me el perrero— the dirty dog boy. Now the world knows me as The Dog Whisperer.426,437 followers | Follow
Beth Kanter
Let's talk about networked approaches & social media for training and capacity building for the nonprofit sector that leverage learning and impact.403,447 followers | Follow
Social Citizen
Emily, over @CaseFoundation -- inviting you to explore how the next generation is creating change through ideas, digital tools and people power with me.335,031 followers | Follow
Chris Cooley
92,265 followers | Follow
José Andrés
Chef/Owner of ThinkFoodGroup, star of Made In Spain, and culinary creator and advocate.89,889 followers | Follow
Make-A-Wish America
We grant the wishes of children with life-threatening medical conditions to enrich the human experience with hope, strength and joy70,099 followers | Follow
craignewmark
customer service rep & founder for craigslist & craigconnects. Media inquiries please email: press@craigconnects.org.53,000 followers | Follow
Philanthropy
The Chronicle of Philanthropy's official Twitter page, dispensing news, advice, and commentary about the nonprofit world51,900 followers | Follow
Three Avocados
Three Avocados is a non-profit coffee company. 100% of net proceeds provide clean water in Uganda. Order online at http://www.threeavocados.org/50,668 followers | Follow
Joyce Cherrier
Misplaced Maui Girl - THEN: Health Food Store owner/Pro Windsurfer NOW: mom, soul surfer, green, CPT | Sears® #FitStudio Expert | Verizon® #VZWbuzz Ambassador50,206 followers | Follow
Scott Harrison
founder, ceo of charity: water (www.charitywater.org). Photographer, husband, follower of Christ.42,515 followers | Follow
GlobalGiving
The world is full of problems. GlobalGiving is full of solutions. 10+ years, 1,000+ projects in 100+ countries in 140 characters.42,269 followers | Follow
US_Air_Force
Official U.S. Air Force Twitter: news, images, video from www.af.mil about our Airmen around the world. (Following does not=endorsement.)39,621 followers | Follow
Lions Clubs
Official Twitter page for Lions Clubs International. Lions conduct vision, hearing and diabetes screenings, build parks, help youth and provide disaster relief.36,692 followers | Follow
Operation Smile
Mobilizing a world of generous hearts to heal children’s smiles and transform lives across the globe.34,419 followers | Follow
Share Our Strength
Share Our Strength aims to end child hunger in America. Find us on Facebook too! https://www.facebook.com/ShareOurStrength32,421 followers | Follow
Greg Mortenson
Central Asia Institute co-founder / Three Cups of Tea & Stones Into Schools co-author / Let's Educate Girls & Change The World22,832 followers | Follow
CNN Heroes
CNN Heroes shines a spotlight on everyday people changing the world. All of our CNN Heroes come from people YOU nominate at CNNHeroes.com.22,041 followers | Follow
Philippe Cousteau
Social entrepeneur, TV Host, CNN special correspondent, explorer, member of legendary family and CEO of EarthEcho International and Azure Worldwide.21,823 followers | Follow
Danielle Brigida
I work for the National Wildlife Federation (@NWF). I’m looking to learn & laugh. Interests include: nature animals nonprofits social media technology and life!17,880 followers | Follow
Jonathan Wilson
Helping children after trauma through / art / story / games / play / song / dance / film / love / hope / people who care.16,812 followers | Follow
Joseph Ranseth
Author, Speaker, Purpose-Driven Marketer. I believe that life is best lived OutsideTheBoat.com. Today is always the #BestDayEver. I sometimes WorkForLunch.com15,745 followers | Follow
Mark Horvath
Just a hardly normal guy trying to navigate through an abnormal world by helping others. Founder @invisiblepeople & @wearevisible. Watch http://bit.ly/s6lP1315,745 followers | Follow
Melissa Jun Rowley
Social Entrepreneur, Founder of @IncentivizeUS, Former @CNN-er, Warrior for love, jazz, rock 'n' roll, & all the wild at heart14,287 followers | Follow
Geoff Livingston
Marketing Strategist. Co-author, Marketing in the Round. Author, Welcome to the Fifth Estate. Giving days for @razoo.14,284 followers | Follow
Paula Robinson,RN
Co-Founder/Owner Adult Day Care & Assisted Living Facility; RN, who tweets about healthcare, advocate for seniors & caregivers, and is a workaholic :-)14,274 followers | Follow
Paul Rieckhoff
Observer of things. Social entrepreneur, activist, advocate, writer. Founder & CEO, Iraq & Afghan Vets of America (@IAVA). Fighting to make a difference daily.13,801 followers | Follow
Create The Good
Create The Good is the network to connect AARP members, friends and families with ways to make a difference.11,624 followers | Follow
HandsOn Network
Our vision is that one day every person will discover their power to make a difference, creating healthy communities and vibrant democracies around the world.11,051 followers | Follow
Fresh Air Fund
The Fresh Air Fund, a nonprofit, has provided free summer vacations in the country to more than 1.7 million NYC children from disadvantaged communities.10,764 followers | Follow
Bill Wixey/ Q13 Fox
I'm a Professional Learner. I anchor Seattle's Q13 FOX News weekdays 6-10am. Cancer survivor, blogger, lunch hockey legend and student of social media.10,075 followers | Follow
Stephanie Hicks
Freelance travel blogger, marathon runner, lawyer, photographer, mom of 4, & Type1 diabetic Tweets on environment, fitness/health, travel & solar power9,933 followers | Follow
Ad Council
Since 1942 we've been producing #ads that make a difference. Follow us to help us inspire #change and improve lives. #socialgood #charity #nonprofit #nptech9,767 followers | Follow
Heather Carlson
PETA media maven. From Ottumwa to Iowa City to Norfolk to DC; political, social, civil, human, animal rights activist; musician, gamer, writer. Geek. :)7,459 followers | Follow
Nate St. Pierre
I build projects that change the world. Co-founder of Love Drop. Founder of ItStartsWith.Us and Love Bomb. Web producer. Sometimes I write.7,433 followers | Follow
Wendy Harman
Director of Social Strategy for American Red Cross, but you can blame me for these tweets.7,028 followers | Follow
Chris Schultz
Founder @voodoo, co-founder @launchpad, co-founder @flatstack. Throw @launchfest & @tribecon conferences. Love connecting. Generally in need of a haircut.6,885 followers | Follow
Ali/Hwd for Habitat
6,408 followers | Follow
Carolyn Rubenstein
navigating 4+ worlds at same time: psych grad student, author, philanthropist, bloggess6,395 followers | Follow
Scott Lazerson
Entrepreneur | Producer | Speaker | Husband | Father of Five | Connector in Chief = http://onforb.es/iLkj12 #SuperConnector6,350 followers | Follow
DC Central Kitchen
DC Nonprofit that uses food as a tool for community empowerment6,164 followers | Follow
AnnMarie Walsh
#NoLongerHomeless 4/7/11 @DebsPlaceChi advocate to empower self/others @StreetWise_CHI #140conf #twittamentary NOT affiliated w/Public Action to Deliver Shelter5,646 followers | Follow
AmeriCorps VISTA
Follow and share the buzz ... AmeriCorps VISTA (Volunteers In Service To America) ... working to end poverty since 19644,730 followers | Follow
robert egger
President of DC Central Kitchen/Campus Kitchens & CForward. I thrive on innovation & champion the economic role of nonprofits. All opinions are my own.4,687 followers | Follow
Bev Wallace
Philanthropist,Humanitarian, Full Time Brat, freak of nature Fibro Fighter, brutally honest, loyal & loving..but mouthy! I just say what others are afraid to!!4,607 followers | Follow
Farra Trompeter
VP @BigDuck -- passionate about smart communications for nonprofits, online fundraising, branding, and activism. Brooklynite, LGBTQ advocate, foodie, organizer4,323 followers | Follow
Noland Hoshino
Social Good Marketing Strategist, Content Curator, Do-Good Enforcer, Volunteer & Givologist. Co-Founder of BcauseMedia.com & SMObooks.com4,292 followers | Follow
Alison McQuade
Red Sox and U2 fanatic. New Media at @emilyslist. I’m not the type of girl who gives her declarative sentences the cadence of a question. Opinions are mine.4,138 followers | Follow
Shriver Center
The Sargent Shriver National Center on Poverty Law advances laws and policies that improve the lives of people living in poverty.4,100 followers | Follow
Jayme Lamm
conundrum. self proclaimed comedian. serial do-gooder. sarcastic writer. lover of sports and words. the witty gal behind TheBlondeSide.com3,881 followers | Follow
bittenword
Resolving to Put Our Food Magazines to Use. Zach and Clay live and cook in our nation's capital.3,679 followers | Follow
Bread for the City
Providing comprehensive services--including food, clothes, medical care, legal and social services--to DC's most vulnerable residents. And tweeting about it.3,293 followers | Follow
The Extraordinaries
Creators of the @sparked online engagement and crowdsourcing platform.3,024 followers | Follow
Interface Foundation
Interface Foundation leverages the power of business & influentials for the benefit of high impact charities to solve the UN's Millenium Development Goals.2,796 followers | Follow
Meals on Wheels&More
We distribute close 1 million meals to homebound elderly and disabled people in Central Texas each year & provide other services with our And More programs.2,590 followers | Follow
groundswell
Groundswell's mission is to unlock communities' shared economic power to grow sustainability and expand prosperity on the local level.2,355 followers | Follow
Jessica Kirkwood
Geek in residence at @PointsofLight & @HandsOnNetwork, marathon butterfly swimmer, interested in keeping things sparky.2,330 followers | Follow
Alli Sosna
Chef-preneur: Co-Found @Fitbound Culinary, CEO Founder Pine Benefit Corp, Future host of Cooking with Alli @listenvision @sandbox_network homie, Polish2,223 followers | Follow
Nikki Rappaport
Writer, baker, color lover. I crush on all things food, design, #GWU and DC. Oh, and I will eat that cupcake for breakfast.2,182 followers | Follow
Decker Ngongang
Lover of books, Scotch, Nike dunks, music, Education and socializing.2,009 followers | Follow
*angel face*
I'm not related to Saddam Hussein but if it'll get me media attention then yes I am. Chocolate & sangria lover. Romance novel & sex toy reviewer. Filthy mouth1,928 followers | Follow
Kristen Cambell
I tweet about: service, philanthropy, nonprofits, social media, being a Millennial, DC, and shoes. And sometimes cupcakes.1,878 followers | Follow
Rat Terrier ResQ
Rat Terrier rescue group, with foster dogs nationwide. *To One Dog, You May Just Be the World* Show us pictures of your dogs (and other animals!) We wanna see!1,838 followers | Follow
Travel for Good
Travelocity's Travel for Good program. Making the world a better place, one trip at a time via green travel and voluntourism.1,799 followers | Follow
vlabs blog
All about innovation in volunteering in the UK and across the world from v, the National Young Volunteers Service1,759 followers | Follow
Chris Cooks
IT consultant, social media enthusiast, networker, self-professed comedic genius, imposter photog extraordinaire. I also tweet from @ngagedc1,730 followers | Follow
Martha's Table
help at-risk children youth families and individuals in our community improve their lives by providing educational programs, food, clothing and enrichment opps.1,649 followers | Follow
So Others Might Eat
SOME (So Others Might Eat) is an interfaith, community-based organization that exists to help the poor and homeless of our nation's capital1,594 followers | Follow
thinklynsen
I'm on a quest to increase the awesome! Watch me go all a-squee for Mystery Science Theater 3000, chocolate chip pancakes & yarn. Oh, & I'm a singing pirate.1,383 followers | Follow
Anacostia Watershed
The Anacostia Watershed Society was organized in 1989 to clean the water, recover the shores, and honor the heritage of the Anacostia River.1,276 followers | Follow
Daniel Teweles
Founder and CEO of Global Natives- working with global causes, creatives & companies to harness the power of the public, innovate, & disrupt. Much more soon!1,259 followers | Follow
Jen Martin
Miss the 80s and Indi. Sleep deprived & impatient. Favs: Halloween, The Vik, Ravens, tattoos & a full belly. Dislike: things I can't fix, dirt, cats.1,231 followers | Follow
Stephen Gilmore
A Husband, father, entrepreneur, learner who's new found mission is to be the best at being a husband, father,& entrepreneur1,138 followers | Follow
OneHappyJourney
1,066 followers | Follow
Lasana Smith
America's Hosting Sweetheart: Host, Dating and Relationship Expert, Foodie and Globe Trotter. My passion is to engage, enlighten and entertain people.985 followers | Follow
GamesThatGive
We are now proud to be a part of the @Vitrue family. Please, follow them to keep up on our latest news. Thank you! You Play. Charities Win.976 followers | Follow
Civic Enterprises
Civic Enterprises is a public policy firm that helps corporations, nonprofits, foundations, and governments develop and spearhead innovative public policies.967 followers | Follow
Washington Center
TWC prepares college students and professionals for lives of achievement and civic engagement through internship and seminar programs in Washington, DC.964 followers | Follow
CITGO Fueling Good
Fueling Good is a way of taking the good that lives at the heart of every one of us, and using it to improve the world we all share.908 followers | Follow
DC Foodies Do Good
DC Foodies Do Good is a social club that combines a love of food with community service. We host monthly tweetups and volunteer events in the DC area.886 followers | Follow
Omar Uddin
tech entrepreneur, geek behind @musicdotcom, @brandvizor & @decisionco hacker since '94, hustler since '04 & sometimes a house/tech DJ884 followers | Follow
Abigail Eshbaugh
Nonprofit web & social media director. Proud Buckeye. JHU comm grad student. Animal lover. Tweets are my own.785 followers | Follow
Elizabeth Kricfalusi
Communications professional, travel addict, animal lover, tree hugger, political junkie, amateur photographer.622 followers | Follow
Tom Barnett
#Homeless advocate, news junkie and #Android enthusiast in #NoVA. The opinions here are my own, not my employer's.611 followers | Follow
YllwCkeNoFrstng
When I get sad, I stop being sad and be aweseome instead. True story. -Barney Stinson401 followers | Follow
JoAnn Jenkins
I am the president of AARP Foundation, the heart of AARP. I provide leadership across the Foundation areas of development, litigation, and impact program areas.319 followers | Follow
Betty Williams
Badass Twitter grandma, Past president Rotary Club, Member Lions Club, Step- gram to most beautiful correspondent on TV298 followers | Follow
Tom Flanagan
Green Home Rater, Food Educator, Dog Enthusiast, Recovering Drummer298 followers | Follow
Amy DeMaria
Nonprofit marketing communications leader, avid reader and runner. Technology news junkie.283 followers | Follow
Carrisa Pawell
Scavenging free office food @PointsofLight & @HandsOnNetwork while saving the world with @AmeriCorps. Lit enthusiast, signer, and optimistic realist.140 followers | Follow
KateStahnke
101 followers | Follow
Susan Mrachek
15 followers | Follow
