You must register your team and submit your initial pitch on this page byFriday July 10, 2015 at 12pm. 

The pitch template is available here. To create your pitch, please make a copy (file -> make a copy) of this template, fill in your information, and send us a link to your proposal and make sure that anyone with the link can comment on the deck ("share" button), set sharing to "Anyone with link can comment"), so that our mentors can help comment on your deck.

The final product submissions will be judged in a fair format with judges moving form table to table (you can show the judges on your computer or phone) on Sunday, July 12, 2015.  Each team should prepare a two minute pitch describing their concept and demonstrating the product.  Expect to give the pitch multiple times as teams of judges come through to see your work. Winning teams must make their products available for viewing online.  *****

Please submit via the submission button on this site.  

CHIMEHACK 2 will focus on tools to promote safety for girls and women. Teams will have the opportunity to choose from a set of challenges related to the topic, with three challenge categories:

  1. Tools to promote safety in the developing world (more resources, hipchat)
  2. Tools to promote safety on campus (more resources, hipchat)
  3. Tools to promote healthy relationships (more resourceshipchat)

Overall event hipchat: https://www.hipchat.com/gF1hURUIb 

Please note that each challenge area will be discussed during the kick-off event on Thurs July 9, which will include a panel of issue-experts and breakout sessions to discuss each topic. Throughout the hack, teams will be provided with access to key leaders and nonprofit organizations working in the space to help craft their solutions. 

Thursday evening speakers will include:

Robert Triefus



Juliet de Baubigny

Senior Partner

Kleiner Perkins Caufield & Byers

Laurent Claquin

Head of Kering Americas

Kering Foundation

Alyse Nelson

President & CEO

Vital Voices Global Partnership

Cindy Southworth

Executive Director

National Network to End Domestic Violence

Meghana Rao

Deputy Director, Campaigns


Jessica Ladd

Founder & Executive Director

Sexual Health Innovations

Vijaya Gadde

General Counsel


Nonprofit Partners Include:



Note: schedule subject to change. 

Thursday, July 9: Kick-off event and hacking

  • 7:00pm: Doors open (drinks and  hors d’oeuvres served)
  • 7:30pm: Program begins, including introductory remarks and a panel of issue experts discussing the hackathon challenges
  • 8:10pm: Program ends, breakout sessions begin
  • 9:15pm: Breakout sessions end, team formation and hacking begins
  • 10:00pm: Doors close

Friday, July 10

  • 12:00pm: Team names & initial pitches due
  • You are more than welcome to hack on Friday at any time with your teammates, though there will be no official space provided at this time. 
  • If you do not have a team, we will help pair you w/ a team on Saturday morning

Saturday, July 11: Hacking and activities

  • 8:00am: Doors open, breakfast served
  • 10:00am: Yoga
  • 11:30am: Welcome & announcements
  • 11:45am: Escalation workshop by The One Love Foundation
  • 12:00pm: Lunch served
  • 2:00pm: Fabric tech talk w/ Bear Douglas, Twitter
  • 5:30pm: Dinner served
  • 6:00pm: Career chat w/ Nandini Ramani, VP of Engineering at Twitter
  • 7:00pm: Self-defense classes
  • 8:30pm: Documentary film screeningslate-night snacks available
  • The Hunting Ground (trailer):  https://www.youtube.com/watch?v=GBNHGi36nlM
  • India's Daughter(trailer): https://vimeo.com/124217046 
  • 12:00am: Doors close

Sunday, July 12: Hacking, judging and awards

  • 8:00am: Doors open, breakfast served
  • 10:00am: Yoga
  • 12:00pm: Lunch served
  • 1:45pm: Hacker final submissions due
  • 2:00pm: Judges’ arrival & briefing
  • 2:15pm: Judging begins
  • 4:00pm: Judging concludes and deliberations begin, happy hour for hackers begins
  • 5:00pm: Judging deliberations end
  • 5:05pm: Awards ceremony, MC’ed by Del Harvey,  Head of Trust and Safety at Twitter
  • 6:00pm: Doors close




CHILDCARE IS AVAILABLE ALL DAY SATURDAY AND SUNDAY, IF INTERESTED PLEASE EMAIL CHIMEHACK2@TWITTER.COM AND PROVIDE NUMBER OF CHILDREN WHO WILL ATTEND AND AGES OF CHILDREN. Childcare will include  unique, age-specific toys, games and activities that will keep the children happy and active.  We’ve included gross motor activities (building) infant and toddler specific toys, tent & tunnel, board and card games as well as an array of arts and crafts. 


Hackers must present their ticket from the CHIMEHACK team  to gain entrance to the event. Due to overwhelming response, this event is not open to the public and is via application only.  You will not be permitted to enter this event unless you have a ticket. 

Teams must be a maximum of 5 team members.

Teams must be present to pitch to our judges and receive their prize at the awards ceremony.

Press is not admitted into these events; please e-mail press@twitter.com if you have any questions. Twitter reserves the right to refuse entry to this event. Twitter also reserves the right to remove individuals from Twitter's premises for disruptive or disorderly behavior, or for any other reason in Twitter's sole discretion.


1. You must create your project including team name and initial concept by 12pm PT on Friday, July 10

2. You are allowed to continue updating that submission until 1:45pm PT on Sunday, July 12

Hackathon Sponsors


$35,000 in prizes

Hearst Magazines: Best Product for Incubation

Sponsored by Hearst Magazines, this prize will also provide 3 months of office space incubation at Hearst's San Francisco office for the winner.

Uber: Scalability & Global Impact

Sponsored by Uber, this prize will also include lunch and a discussion with Joe Sullivan, Chief Security Officer.

Docusign: User Experience/Design

Sponsored by Docusign, this prize will also include lunch and career mentoring session with Catherine Courage, SVP of User Experience and Gordon Payne, COO at Docusign.

Chegg: Young Innovator (University Students)

Sponsored by Chegg, this prize will also include textbook scholarships for the winners. You must be a university student to be eligible for this prize.

Twitter: Engineering Excellence

This prize will also include an in-kind component from CHIME FOR CHANGE, to be announced soon.

Kleiner Perkins Caufield Byers: Citizenship Prize

Includes $5,000 cash provided by Gucci and a lunch and career mentoring session with Juliet de Baubigny, KPCB partner and CHIME Advisory Board Member

Airbnb: Most Original Concept

Sponsored by Airbnb, this prize will also include a visit to Airbnb for a meal, tour, and discussion with Senior members of our engineering, women's trust and safety and other teams, along with a $250 Airbnb voucher for travels associated with building your project.

Devpost Achievements

Submitting to this hackathon could earn you:

How to enter

CHIMEHACK 2 participants should have received a ticket via chimehack2.splashthat.com. if you do no yet have a ticket, please apply via that website first. If you do have a ticket, please register via challengepost to begin forming your team! You will not be admitted to this event or eligible to participate if you do not have a ticket. 


Adam Messinger

Adam Messinger
CTO, Twitter

Nandini Ramani

Nandini Ramani
VP of Engineering, Twitter

Ciara Peter

Ciara Peter
Head of Product, Betterworks

Catherine Courage

Catherine Courage
SVP of Customer Experience, Docusign

Sukrutha Raman Bhadouria

Sukrutha Raman Bhadouria
Managing Director, Girl Geek Dinners

Melorie Acevedo

Melorie Acevedo
VP Information Technology, San Francisco Chronicle/SF Gate

Mary Karam McKey

Mary Karam McKey
Director, Institute of International Education

Andy Chen

Andy Chen
General Partner, Kleiner Perkins Caufield & Byers

Cindy Southworth

Cindy Southworth
Executive Director, National Network to End Domestic Violence

Kelsey Gilmore-Innis

Kelsey Gilmore-Innis
Director of Technology, Sexual Health Innovations

Laurent Clauqin

Laurent Clauqin
Head of Kering Americas, Board Member at the Kering Foundation

Renee Kaplan

Renee Kaplan
Chief Strategy Officer, The Skoll Foundation

Phil Cardenas

Phil Cardenas
Head of Global Safety, Uber

Elena Grewal

Elena Grewal
Data Science Manager, Airbnb

Anne Dwane

Anne Dwane
Chief Business Officer, Chegg

Sofie Karasek

Sofie Karasek
Co-Founder, End Rape on Campus

Meghan Rao

Meghan Rao
Deputy Director, Breakthrough

Jackie Xu

Jackie Xu
Partner, Kleiner Perkins Caufield & Byers

Judging Criteria

  • Incubation / Best Product
    Is it solving a clear problem? Is it clear who it's being built for/how they will use it? Does the solution address the problems at hand? Is it useful?
  • Scalability / Global Impact
    Does this idea have the potential to reach many people at a large scale, worldwide? Could it be used by different people in different regions of the world?
  • User Experience / Design
    Is this solution easy to use? Is it aesthetically appealing? Is it an innovative take on guiding user action?
  • Originality / Most Unique Concept
    Is this idea unique, creative or novel? Is this idea different from existing products out there? Does it solve the problem in an unusual but effective way?
  • Engineering Excellence
    Does it work? Is the implementation and/or approach interesting? How much did your team write vs. pull from other libraries? Is it useful?
  • Young Innovator
    This prize is available to students only and will identify the best solution created by college-age hackers.
  • Citizenship
    Does the solution empower individuals to make a difference for others? Does the solution mobilize grassroots support? Does it make individual users feel like a part of a larger movement to create change?

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