Ahoy, world!

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.

Empower others

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.

Read all of Twilio’s values

Global scale, global presence

With twenty-four offices in fourteen countries and counting, Twilio has the infrastructure to support communications worldwide.

A Team of experts

The Twilio leadership team and Board of Directors bring years of experience in communications and software.


Jeff Lawson

Founder, CEO, & Chairman

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 ofStubhub.com, co-founder, CEO & CTO of Versity, and one of the first product managers for Amazon WebServices. Jeff grew up in Detroit, started his first company at age 12 doing event video production, DJ’dhis 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 Hu


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 ProductMarketing, 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 in2016. 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 Smith

General Counsel and Corporate Secretary

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 and government affairs teams, and she also served as interim Chief People Officer from 2016 to 2017. 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 inLaw’s thought leadership award in 2018. Karyn earned her Bachelor of Journalism from the University ofMissouri, Columbia, and her JD cum laude from Santa Clara University School of Law. Karyn currently sits on the board of the Business Software Alliance.

Khozema Shipchandler


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 ofGE. Khozema earned his bachelor’s degree from the Indiana University Bloomington and graduate coursework at The University of Chicago Booth School of Business.

Erin Reilly

VP of Social Impact and GM of Twilio.org

Erin is energized by using a company’s unique assets to create positive impact on the world. In the past 20 years, she’s driven social and environmental change while working at companies such as Google, Yahoo!,and Nike. She’s helped launch new businesses in Africa and India to provide fast access to the Internet,engaged tens of millions of people in environmental programs, and raised millions of dollars for disaster response. Erin also has experience in the nonprofit sector at Business for Social Responsibility, and started her career at the engineering firm Tetra Tech. She holds a BA in Human Biology / EnvironmentalManagement from Stanford University and an MBA from the University of California, Berkeley.

Sameer Dholakia

CEO of Twilio SendGrid

Sameer has over 20 years of experience in successfully bringing high growth, disruptive cloud and enterprise software solutions to market. Previously Sameer was the CEO of SendGrid and during his tenure,SendGrid’s revenue nearly quadrupled and he led the company’s 2017 initial public offering. He receivedBachelor’s and Master’s degrees from Stanford University and an MBA from Harvard Business School.

Chee Chew

Chief Product Officer

Chee Chew brings more than 25 years of experience in the technology industry formerly working at companies such as Amazon, Hewlett-Packard, Google, and Microsoft. Chew holds a Bachelor’s and Master’s inComputer Science from Massachusetts Institute of Technology (MIT). He currently sits on the Board ofTrustees for the Olin College of Engineering.

Ott Kaukver

Chief Technology Officer

Ott serves as the chief enabler of innovation and the leader of Twilio’s engineering platforms and architecture. Before Twilio, he was an early employee at Skype, where he built the engineering team essentially from scratch, to over 300 in three years. Under Ott, Skype launched SkypeOut, and grew the business into a $1 billion product line. Prior to joining Skype, Ott served as General Manager of SoftwareDevelopment Business Unit at Helmes. Ott grew up in Estonia and earned his BA in International BusinessAdministration from the Estonian Business School, and his MBA from INSEAD.

Sara Varni

Chief Marketing Officer

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 theSalesforce AppExchange. Before joining Salesforce, Sara worked in mobile strategy at E! Networks. Sheholds a BS in Business Administration from Bucknell University and an MBA from The Anderson School ofManagement at UCLA.

Nils Puhlmann

Chief Trust and Security Officer

A 20+ year security veteran, Nils brings experience in diverse business environments and is extremely passionate about keeping trust and security top priorities for Twilio. Prior to Twilio, he served as theChief Technology Officer of Endgame, and also held the position of Chief Security Officer at Zynga, Qualys, and Electronic Arts. Puhlmann also co-founded the Cloud Security Alliance nonprofit organization,which promotes the use of best practices for security assurance within cloud computing.

Christine Roberts

VP and GM of Super Network

Christine is driven by finding every opportunity to improve customer engagement experiences and create customer delight. She has over 25 years of experience in Engineering, Product Operations, PartnerRelationships, and Product Management across Motorola, Google, Lenovo, and Netflix. She’s also an active proponent of engaging girls and underrepresented minorities in STEAM early, consistently, and experientially to ensure diverse views and innovation are represented in technical fields. Christine has aBS in Mechanical Engineering from Michigan Technological University, where she serves on several advisory boards, as well as an MBA in International Business from DePaul University.

Marc Boroditsky

Senior VP of Sales

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 ofAccount 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.

Board of Directors

Jeff Lawson

Founder, CEO, & Chairman

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.

Rick Dalzell

Former SVP & CIO, Amazon

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 InformationOfficer from 2001 to 2007, Senior Vice President and Chief Information Officer from 2000 to 2001 and VicePresident 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 to1997.

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

Partner, Bessemer Venture Partners

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

CEO, Axiom

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. AtConcur, 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 theUniversity of California, San Diego.

Donna Dubinsky

CEO, Numenta

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, Cortical.io (private technology company in Vienna, Austria) and Twilio (NYSE: TWLO).Donna also served on the board of Yale University from 2006-2018, including two years as Senior Fellow.

Jeff Epstein

Operating Partner, Bessemer Venture Partners

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 MediaMeasurement and Information Group. Earlier in his career, he was an investment banker at The First BostonCorporation.

He holds an MBA from the Stanford University Graduate School of Business, where he was an Arjay MillerScholar, and a BA from Yale College, where he graduated summa cum laude, Phi Beta Kappa.

Erika Rottenberg

General Counsel, Chan Zuckerberg Initiative

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 GeneralCounsel, 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 VicePresident, 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 has served since October 2014 on the Board ofNasdaq-listed Wix.com, a cloud-based web development platform. Erika also serves on the boards of directors of Girl Scouts USA and the Silicon Valley Law Foundation.

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.

Jeff Immelt

Venture Partner, New Enterprise Associates

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 inessential industries, and quadrupled emerging market revenue. Prior to being appointed Chief ExecutiveOfficer in 2000, Jeff held several global leadership roles at GE in the Plastics, Appliances, andHealthcare businesses and became an Officer of the company in 1989. He has been named one of the "World’sBest CEOs" three times by Barron’s, and while he was CEO, GE was named "America’s Most Admired Company" byFortune magazine and one of "The World’s Most Respected Companies" in polls by Barron’s and the FinancialTimes. 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 HarvardUniversity. 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.


Giving a helping hand

We believe the tools we build can improve lives everywhere. That’s why our social impact arm,Twilio.org, provides technology, funding, and time to help organizations expand their impact using communications technologies.

Interested in becoming a Twilion?

Whether you are the queen of code or the maestro of marketing, we are always looking for passionate individuals to join our expanding global team of Twilions.

Visit our jobs page