Twilio powers the future of business communications. Enabling phones, VoIP, and messaging to be embedded into web, desktop, and mobile software.
Millions of developers around the world have used Twilio to unlock the magic of communications to improve any human experience.
Twilio has democratized communications channels like voice, text, chat, video, and email by virtualizing the world’s communications infrastructure through APIs that are simple enough for any developer to use, yet robust enough to power the world’s most demanding applications.
By making communications a part of every software developer’s toolkit, Twilio is enabling innovators across every industry — from emerging leaders to the world’s largest organizations — to reinvent how companies engage with their customers.
Wear the customer’s shoes
Spend the time to deeply understand customers, and solve problems from their perspective. Earn trust through every interaction.
We believe that unleashing human potential — both inside and outside our company — is the key to our success. Be humble and realize it’s not just about us. Invest in each other.
Draw the owl
There’s no instruction book, it’s ours to write. Figure it out, ship it, and iterate. Invent the future, but don’t wing it.
Global scale, global presence
With 26 offices in 17 countries and counting, Twilio has the infrastructure to support communications worldwide.
- Hong Kong
- Mountain View
- New York
- Redwood City
- San Francisco
- São Paulo
- Washington D.C.
A serial entrepreneur and a software developer, Jeff co-founded Twilio in 2008 to bring communications into the world of software. Prior to Twilio, Jeff was co-founder & CTO of NineStar, founding CTO of Stubhub.com, co-founder, CEO & CTO of Versity, and one of the first product managers for Amazon Web Services. Jeff grew up in Detroit, started his first company at age 12 doing event video production, DJ’d his way through college, and graduated from the University of Michigan. He is a father of two young boys, enjoys photography, and always makes time to hack on new software and hardware projects.
George served four of his 13 years at Salesforce as COO, where he owned all major shared operational functions for the company. He also served in a variety of other management roles including VP of Product Marketing, SVP of Applications, EVP of Products, and Chief Marketing Officer. After leaving Salesforce at the end of 2014, George founded a workplace feedback startup called Peer that was acquired by Twitter in 2016. He holds a bachelor’s degree in economics from Harvard College and a master’s degree in business administration from the Stanford Graduate School of Business. George was named a Young Global Leader by the World Economic Forum.
Karyn has worked with high growth companies for over 20 years, bringing her passion for building high performing teams to Twilio in 2014 as its first lawyer. Today she leads the Company’s legal, government affairs, regulatory compliance and privacy teams. Prior to Twilio, Karyn was Vice President and Deputy General Counsel at Zynga, where she oversaw all corporate matters and led Zynga through its $1B IPO in 2011. Before Zynga, Karyn was a partner of Cooley LLP, representing emerging growth companies at all stages of growth, from formation through liquidity event and beyond. Karyn has been recognized numerous times for her leadership, including most recently the National Women in Law’s thought leadership award in 2018. Karyn earned her Bachelor of Journalism from the University of Missouri, Columbia, and her JD cum laude from Santa Clara University School of Law. Karyn currently sits on the boards of BSA, the Software Alliance, and USTelecom.
Khozema brings over 20 years of experience in finance, most recently serving as GE Digital’s chief commercial officer. In addition to his role as CFO, Khozema also oversees Twilio’s trust and security teams. Khozema previously served in a variety of positions within GE, including as the chief financial officer and EVP of corporate development at GE Digital and the vice president of corporate audit staff of GE. Khozema earned his bachelor’s degree from the Indiana University Bloomington and graduate coursework at The University of Chicago Booth School of Business.
Michelle brings over 20 years of technical experience to her role as CIO of Twilio. Overseeing IT as well as several engineering groups and teams, Michelle is responsible for up-leveling the company’s technology systems and processes as it prepares for its next stage of growth. Most recently, Michelle was Senior Vice President of Software Development at SAP Concur, where she led a 300+ global team of mobile and platform engineers focused on TripIt and the Concur mobile app. Michelle sits on the Advisory Board of Techtonica, a nonprofit that helps guide women and non-binary individuals into the technology industry. In her spare time, Michelle volunteers at several organizations that focus on women and girls interested in S.T.E.M., and spends time with her 14-year-old son and two very spoiled dogs.
As Chief Social Impact Officer at Twilio, Erin drives the company to use its unique assets - products, people, and funding - to do good. She also runs the business unit that empowers nonprofits to use Twilio to scale their impact. Through her leadership, thousands of social impact organizations using Twilio are helping more than 100 million people each year. Erin’s work proves that social impact can be a sustainable business by lowering costs for nonprofits to access Twilio, while delivering meaningful revenue growth and continued investment in social impact. Over the course of her 20+ year career, Erin has driven social and environmental change while working at Google, Yahoo!, and Nike. She was named one of the 50 Most Powerful Women in Technology by the National Diversity Council, for her leadership in the social impact space and accomplishments in corporate citizenship. She holds a BA in Human Biology / Environmental Management from Stanford University and an MBA from the University of California, Berkeley.
Sara is responsible for growing Twilio’s community of developers while simultaneously bringing Twilio into the enterprise market. Prior to Twilio, Sara was SVP of Marketing at Salesforce where she was responsible for the positioning and go-to-market strategy for Sales Cloud, the world’s leading sales platform. At Salesforce, Sara held various leadership roles, including marketing for Desk.com and the Salesforce AppExchange. Before joining Salesforce, Sara worked in mobile strategy at E! Networks. She holds a BS in Business Administration from Bucknell University and an MBA from The Anderson School of Management at UCLA.
Steve is the former chief information security officer of the White House Military Office and has more than 20 years experience in cybersecurity, national security, and intelligence. Prior to joining Twilio, Steve was the chief information security officer for Ionic Security and has served under two Presidents as a military communications aide. He spent 16 years in the U.S. Air Force as a cyber warfare officer, and deployed in support of Operation Iraqi Freedom. Steve is an advisory board member for DEVCON client-side security, Savvy Cyber Kids and is an inaugural advisory board member for the National Technology Security Coalition.
Christy is Chief People Officer at Twilio where she leads the company’s global People team. She is responsible for driving the talent development and acquisition strategy, and building infrastructure to support a thriving culture of belonging, diversity and inclusion across the company. Previously, Christy was Senior Vice President and Chief People Officer at Box, which she joined with 20 years of experience in culture development, talent strategy and learning and development. Prior to Box, she held human resources leadership positions at Medallia, HP Software and The Home Depot. Christy holds a Bachelor of Arts in Political Science from the University of Connecticut.
Marc is responsible for developing and executing sales strategy and leading Twilio’s global sales team. Marc joined Twilio by way of the company’s acquisition of Authy in 2015 and served as general manager of Account Security prior to his current sales role. Marc is a seasoned entrepreneur with more than 30 years experience including more than 25 years with technology startups. He has founded and financed four software companies in electronic medical records, authentication, and identity management. He successfully completed the sale of his most recent startup, Authy, to Twilio and before that, Passlogix, to Oracle.
Glenn represents the voice of the customer, with responsibility for Twilio’s technical support, customer success, customer experience, professional services, and systems integrator partner teams. Before Twilio, Glenn was co-founder of Appirio, a leading cloud consultancy and top global partner of Salesforce, Workday, and Google, and he has also led consulting and support teams at numerous public software companies. Glenn received a BS in Computer Science from the U.S. Naval Academy, and an MS in Computer Science from Rensselaer Polytechnic Institute.
Lybra S. Clemons is a seasoned c-suite executive with over 15 years of Human Resources, Talent, and Diversity & Inclusion experience at Fortune 500 companies. She is responsible for guiding and scaling inclusion strategy and diversity initiatives across Twilio's global workforce. Prior to Twilio, Lybra was Global Head of Diversity & Inclusion at PayPal, where she managed and oversaw all global diversity initiatives. Lybra has held critical roles in Diversity & Inclusion with Morgan Stanley, The Brunswick Group, and American Express. She serves on the Board of Directors of @Makers, How Women Lead Silicon Valley Executive Board of Advisors, and has been recognized by Black Enterprise as one of the Top Corporate Women in Diversity.
Jeremiah has more than 15 years of engineering leadership experience across well-known technology companies. Prior to Twilio, he was a senior vice president and distinguished architect at Salesforce, where he led a team of engineers and software architects to deliver highly scalable and secure SaaS solutions. He was also principal engineer at Amazon Robotics, where he pioneered the notion of robotics in the cloud. As CTO, he is responsible for leading Twilio’s technology strategy and roadmap. Jeremiah holds a BS/MS in Computer Science from Rochester Institute of Technology and an MS in Electrical Engineering from Northeastern University.
Simon Khalaf is a veteran Silicon Valley entrepreneur and scaled operator with years of experience in Consumer tech, Fintech, Streaming Media, and Cloud Computing. Simon's passion is to build, scale and distribute products that serve hundreds of millions of consumers, developers, enterprises and value added resellers. Prior to joining Twilio, he held various executive positions at Yahoo, Verizon, Flurry and Novell among others. Simon serves as the SVP & GM Communications Platform, where he has responsibility over Twilio's core communications products, including streamlining and simplifying the product experience for our customers into an integrated omni-channel experience.
Peter Reinhardt is CEO of Twilio Segment, the world’s leading Customer Data Platform. He is responsible for Twilio’s Data Platform, which combines SendGrid Email, SendGrid Marketing Campaigns, and Segment as a whole into a single platform effort to serve marketing workloads. Segment has thousands of customers across the globe, from fast-growing businesses such as Atlassian, Bonobos and Instacart to some of the world’s largest organizations like Levi’s, IBM, and FOX. Peter Studied Aerospace Engineering at MIT and was named to San Francisco Business Times’ 40 Under 40" list in 2021 and Forbes’ “30 Under 30” list in 2015.
Board of Directors
Jeff is a serial inventor with over 15 years of entrepreneurial and product experience. Prior to co-founding Twilio, Jeff was Founder & CTO of NineStar, Founding CTO of Stubhub.com and Founder, CEO & CTO of Versity. He was also one of the original product managers for Amazon Web Services. At every business, Jeff identified the fundamental need for a platform for developers and companies to easily build communications-based business solutions. Jeff grew up in the suburbs of Detroit, started his first company in middle school, and earned his BS in Computer Science & Film/Video from University of Michigan.
Mr. Richard Dalzell was Senior Vice President and Chief Information Officer of Amazon.com, Inc. until his retirement in 2007. Previously, Mr. Dalzell served in numerous other positions at Amazon.com, Inc., including Senior Vice President of Worldwide Architecture and Platform Software and Chief Information Officer from 2001 to 2007, Senior Vice President and Chief Information Officer from 2000 to 2001 and Vice President and Chief Information Officer from 1997 to 2000. Prior to his employment with Amazon.com, Inc., Mr. Dalzell was Vice President of the Information Systems Division at Wal-Mart Stores, Inc. from 1994 to 1997.
Mr. Dalzell brings to the Board extensive experience, expertise and background in internet information technology gained from his service as the Chief Information Officer of Amazon.com, Inc. He also brings corporate leadership experience gained from his service in various senior executive roles at Amazon.com, Inc.
Byron Deeter, a partner at Bessemer Venture Partners, leads their global cloud practice and has been involved in cloud computing since 1999. In addition to BVP’s Twilio investment, he has lead Bessmer’s investment in Cornerstone OnDemand (CSOD), Criteo (CRTO), Eloqua (ELOQ), Adap.tv (Acq => AOL), Playdom (Acq => Disney), Box, Clearslide, DocuSign, and SendGrid. Prior to joining Bessemer, Byron was a successful entrepreneur, investor, and most recently worked as an executive at IBM after the acquisition of Trigo, where he served as president & CEO.
Elena Donio is Chief Executive Officer of Axiom. She brings over 20 years of experience in fast-paced technology companies. Prior to joining Axiom as CEO, she served as president of Concur, an SAP company. There she was responsible for setting the vision and executing against the operating plan. She helped lead the company through many transitions, including Concur’s acquisition by SAP in December of 2014. At Concur, she also served in various leadership roles including the head of worldwide sales and marketing, head of product management, executive vice president and general manager of small and medium sized businesses.
Elena is also a member of the Board of Directors at PayScale. Elena earned her BA in Economics from the University of California, San Diego.
Donna is a serial entrepreneur best known for her work as CEO of Palm Computing and then Handspring, pioneers of the first successful handheld computers and smartphones. Previously, Donna spent 10 years in a multitude of sales, sales support, and logistics functions — both at Apple and at Claris, an Apple software subsidiary. She founded Numenta with her long-time business partner, Jeff Hawkins, in 2005. Numenta has a two-pronged mission — to figure out how the brain works and then apply it to create more powerful machine intelligence.
Donna earned a B.A. from Yale University, and an M.B.A. from Harvard Business School. She currently serves on the boards of Numenta and Twilio (NYSE: TWLO). Donna also served on the board of Yale University from 2006-2018, including two years as Senior Fellow, and the board of Cortical.io (private technology company in Vienna, Austria).
Jeff Epstein is an Operating Partner at Bessemer Venture Partners, where he specializes in marketplaces and enterprise software. He serves on the Boards of Directors of Kaiser Permanente, Booking Holdings, Twilio, Shutterstock and several private companies. He is also a lecturer at Stanford University.
He is the former Executive Vice President and Chief Financial Officer of Oracle, one of the world’s largest and most profitable technology companies, with a market value of over $150 billion.
Prior to joining Oracle, Jeff served as Chief Financial Officer of several public and private companies, including DoubleClick (sold to Google), King World Productions (sold to CBS) and Nielsen’s Media Measurement and Information Group. Earlier in his career, he was an investment banker at The First Boston Corporation.
He holds an MBA from the Stanford University Graduate School of Business, where he was an Arjay Miller Scholar, and a BA from Yale College, where he graduated summa cum laude, Phi Beta Kappa.
Jeff joined NEA in 2018 as a Venture Partner on both the technology and healthcare investing teams.
Jeff served as chairman and CEO of GE for 16 years where he revamped the company’s strategy, global footprint, workforce and culture, transforming it into a simpler, stronger, and more focused digital industrial company. During his tenure, he led several innovative transformations which doubled industrial earnings, reshaped the portfolio, re-established market leadership, grew a strong share position in essential industries, and quadrupled emerging market revenue. Prior to being appointed Chief Executive Officer in 2000, Jeff held several global leadership roles at GE in the Plastics, Appliances, and Healthcare businesses and became an Officer of the company in 1989. He has been named one of the "World’s Best CEOs" three times by Barron’s, and while he was CEO, GE was named "America’s Most Admired Company" by Fortune magazine and one of "The World’s Most Respected Companies" in polls by Barron’s and the Financial Times. He has received 15 honorary degrees and numerous awards for business leadership.
Jeff earned a B.A. degree in applied mathematics from Dartmouth College and an M.B.A. from Harvard University. He currently serves on the board for NEA portfolio companies Collective Health, Desktop Metal, and Radiology Partners, and is a member of The American Academy of Arts & Sciences. He and his wife have one daughter.
Originally from the South Side of Chicago, Patrick came to Massachusetts at 14, when he was awarded a scholarship to Milton Academy through the Boston-based organization A Better Chance. After Harvard College and Harvard Law School, he clerked for a federal appellate judge and then launched a career as an attorney and business executive, becoming a partner at two Boston law firms and a senior executive at Texaco and Coca-Cola. In 1994, President Clinton appointed Patrick to the nation’s top civil rights post, Assistant Attorney General for Civil Rights.
In 2006, in his first bid for public office, he became Massachusetts’ first African-American governor. In his two terms as Governor, Patrick oversaw the expansion of affordable health care to more than 98 percent of state residents, launched initiatives stimulating clean energy and biotechnology, won a national Race to the Top grant, and steered the state out of recession to a 25-year high in employment.
From April 2015 to December 2019, he served as a Managing Director of Bain Capital LLC, where he focused on investments that deliver both a competitive financial return and significant positive social impact. He is the Founder & Chairman of TogetherFUND, a political action committee to support progressive politics and grassroots groups working to drive turnout and engagement among disenfranchised and marginalized voters.
Patrick is a Rockefeller Fellow, a Crown Fellow of the Aspen Institute, and the author of two books, A Reason to Believe: Lessons from an Improbable Life and Faith in the Dream: A Call to the Nation to Reclaim American Values.
Erika Rottenberg is the General Counsel for the Chan Zuckerberg Initiative (CZI).
Erika brings more than 15 years of experience in the boardroom, and expertise in privacy, cyber security, intellectual property, policy, M&A and corporate governance. She also brings extensive experience as a global operational technology executive and General Counsel at leading, fast-growing, disruptive technology companies with global scale.
Operationally, prior to CZI, from 2008 to 2014, Erika was Vice President, General Counsel and Secretary of LinkedIn, the largest professional network on the internet. As LinkedIn’s first and long-term General Counsel, she was responsible for LinkedIn’s global legal and regulatory affairs, privacy and policy. . Prior to LinkedIn, Erika was Senior Vice President, General Counsel and Secretary at SumTotal Systems, a talent management enterprise software company, and she held several roles at Creative Labs, including Vice President, Strategic Development and General Counsel. Erika began her legal career at Cooley LLP, where she practiced corporate and employment law.
In addition to serving on the Twilio Board, Erika serves on the boards of directors of Girl Scouts USA and the Silicon Valley Law Foundation. Erika also served on the Board of Nasdaq-listed Wix.com, a cloud-based web development platform, from 2014-2020.
Erika holds a bachelor’s degree in Special and Elementary Education from the State University of New York at Geneseo and a juris doctorate from the University of California, Berkeley, Boalt Hall School of Law.
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