Cardinal Health vs Twilio: Founders, CEOs and History
Cardinal Health was founded in 1971 by Robert D. Walter and is led by Jason M. Hollar. Twilio was founded in 2008 by Jeff Lawson, John Wolthuis, Evan Cooke and is led by Khozema Shipchandler.
Company facts
Cardinal Health
- Founded
- 1971
- Headquarters
- Dublin, Ohio, United States
- Current CEO
- Jason M. Hollar
- Employees
- 63,900
Twilio
- Founded
- 2008
- Headquarters
- San Francisco, California, United States
- Current CEO
- Khozema Shipchandler
- Employees
- 5,492
Founders
Cardinal Health
Robert D. Walter
Cardinal Health possesses a unique and unexpected founding history: the pharmaceutical distributor was not founded by a doctor or a pharmacist, but rather by an ambitious entrepreneur attempting to consolidate the wholesale food industry.
Twilio
Jeff Lawson
Jeff Lawson co-founded Twilio in 2008 and was CEO until January 2024, leading it through its 2016 IPO and the SendGrid and Segment acquisitions. He wrote Ask Your Developer (2021) about developer-led software.
John Wolthuis
John Wolthuis co-founded Twilio in 2008. He architected the initial telephony backend that allowed developers to send text messages and make phone calls using a simple web API.
Evan Cooke
Evan Cooke co-founded Twilio and served as its first CTO. He was instrumental in designing the company's highly reliable cloud architecture, ensuring the API could scale to handle massive, instantaneous spikes in SMS traffic (such as during Uber surges or Airb…
CEOs and their tenures
Cardinal Health
- Robert D. Walter1971–2006
Founder, Chairman, and CEO
Walter founded Cardinal Health in 1971 as a food wholesaler and pivoted to pharmaceutical distribution in 1979. He executed dozens of acquisitions that transformed the company from a small regional distributor into a $50+ billion healthcare conglomerate.
Source - Kerry Clark2006–2009
Chairman and CEO
Clark led Cardinal Health through a period of strategic repositioning, including the spin-off of the CareFusion medical technology business. He focused on improving operational efficiency and addressing the challenges of the post-Walter era.
Source - George Barrett2009–2017
Chairman and CEO
Barrett led Cardinal Health through significant strategic initiatives including the acquisition of the Patient Recovery business from Medtronic ($6.1 billion) and the establishment of the Red Oak Sourcing joint venture with CVS Health.
Source - Mike Kaufmann2018–2022
CEO
Kaufmann led Cardinal Health through the opioid litigation settlement and the COVID-19 pandemic, which created demand for medical supplies and pharmaceuticals. He focused on operational execution and maintaining supply chain continuity during the crisis.
Source - Jason M. Hollar2022–present
CEO
Hollar joined Cardinal Health as CFO in 2020 and became CEO in September 2022. He has led the company through the OptumRx contract exit, the GMPD improvement plan, and acquisitions including GI Alliance, ADSG, and Solaris Health.
Source
Twilio
- Jeff Lawson2008–2024
Co-founder and CEO
As the long-time CEO, he aggressively scaled the company into a $60 billion behemoth before intense pressure from activist investors forced him to resign in 2024 following growth stagnation.
Source - Aidan Viggiano2023–present
Chief Financial Officer
As CFO, she strictly enforces the new profitability mandates, cutting massive amounts of real estate and software expenses across the enterprise.
Source - Khozema Shipchandler2024–present
Chief Executive Officer
Taking over as CEO in 2024, he shifted the company's focus away from unprofitable hyper-growth toward heavily optimizing the highly lucrative core communications platform.
Source
Timeline: Cardinal Health and Twilio side by side
1971Cardinal Health
Cardinal Foods Founded by Robert D. Walter
Robert D. Walter, a 26-year-old Harvard MBA graduate, borrowed $1.3 million to acquire the food-distribution division of Consolidated Foods in a leveraged buyout, establishing Cardinal Foods in Columbus, Ohio.
1979Cardinal Health
Pivot to Pharmaceutical Distribution
Walter acquired Bailey Drug Co., a pharmaceutical distributor in Zanesville, Ohio, marking Cardinal's entry into pharmaceutical distribution.
1983Cardinal Health
Cardinal Distribution Goes Public
Cardinal Distribution Inc. completed its initial public offering on the NASDAQ at $1.03 per share, providing capital for continued expansion through acquisitions.
1984Cardinal Health
Acquisition of Ellicott Drug
Cardinal acquired Ellicott Drug, a pharmaceutical distributor in Buffalo, New York, continuing the acquisition-driven expansion strategy that would define the company's growth for decades.
1988Cardinal Health
Sale of Food Operations to Roundy's Inc.
Cardinal sold its remaining food operations to Roundy's Inc., completing the company's transition from a diversified food and drug distributor to a pure-play pharmaceutical distribution company.
1994Cardinal Health
Name Change to Cardinal Health
The company changed its name from Cardinal Distribution to Cardinal Health, reflecting its expanding mission beyond pure distribution into healthcare services, manufacturing, and technology. Revenues exceeded $1 billion by 1991.
1995Cardinal Health
Acquisition of Medicine Shoppe International
Cardinal acquired Medicine Shoppe International, the country's largest franchise of retail pharmacies, marking the company's first significant non-distribution acquisition and entry into retail pharmacy.
1996Cardinal Health
Acquisition of Pyxis Corp.
Cardinal acquired Pyxis Corp., a manufacturer of automated supply and pharmaceutical dispensing systems for hospitals, adding medical technology capabilities to the company's portfolio.
1999Cardinal Health
Acquisition of Allegiance Healthcare Corp.
Cardinal acquired Allegiance Healthcare Corp. for approximately $4.4 billion, becoming a major player in the medical-surgical products market and establishing the foundation for what would become the Global Medical Products and Distribution segment.
2008Twilio
Company Founded
Jeff Lawson, Evan Cooke, and John Wolthuis founded Twilio and launched its first voice API for developers.
2010Twilio
SMS API Launched
Twilio added programmable SMS, which became its largest product line.
2013Cardinal Health
Red Oak Sourcing Joint Venture with CVS
Cardinal Health and CVS Caremark announced the creation of Red Oak Sourcing, a 50/50 joint venture to form the largest generic pharmaceutical sourcing entity in the United States. The venture began operations in July 2014 with an initial 10-year term.
2014Cardinal Health
Loss of Walgreens Contract
Cardinal Health lost a major pharmaceutical distribution contract with Walgreens, which shifted its distribution to AmerisourceBergen. The contract had generated $3.3 billion in quarterly revenue.
2015Twilio
Authy Acquired
Twilio acquired the two-factor authentication company Authy in 2015.
2016Twilio
NYSE IPO
Twilio listed on the NYSE under the ticker TWLO in June 2016, pricing shares at $15.
2017Cardinal Health
Acquisition of Patient Recovery Business from Medtronic
Cardinal Health acquired the Patient Recovery business from Medtronic for $6.1 billion, expanding its medical products portfolio and adding significant scale to the Global Medical Products and Distribution segment.
2019Twilio
SendGrid Acquisition
Twilio completed its all-stock acquisition of email platform SendGrid, announced at about $2 billion.
2020Twilio
Segment Acquisition
Twilio acquired customer data platform Segment for about $3.2 billion, its largest deal.
2021Twilio
Revenue Passes $2.8 Billion
Twilio reported FY2021 revenue of $2.842 billion, up 61% year over year, with a net loss of $949.9 million.
2023Twilio
Restructuring
Twilio cut about 17% of its workforce in February 2023 and made further reductions later in the year as it shifted toward profitability.
2024Cardinal Health
OptumRx Contract Non-Renewal Announced
Cardinal Health's pharmaceutical distribution contracts with OptumRx (part of UnitedHealth Group) expired at the end of June 2024 and were not renewed. They represented about $38.1 billion of fiscal 2024 revenue.
2024Twilio
CEO Transition
Co-founder Jeff Lawson stepped down as CEO in January 2024 and Khozema Shipchandler succeeded him.
2025Cardinal Health
Fiscal 2025 Results and Raised FY2026 Guidance
Cardinal Health reported fiscal 2025 revenue of $222.6 billion, down about 2% after the OptumRx contract expiration, while net earnings rose to about $1.6 billion.
2025Twilio
First Full-Year GAAP Profit and Stytch Deal
Twilio reported FY2025 revenue of $5.067 billion and net income of $33.8 million, and completed its acquisition of identity platform Stytch on November 14, 2025.
2026Cardinal Health
Fiscal 2026 Revenue Reaches $254.2 Billion
Fiscal 2026 revenue rose 14% to $254.2 billion and non-GAAP EPS rose 37% to $11.26, with profit growth in all five operating segments.
2026Twilio
Growth Re-accelerates
Twilio reported Q2 2026 revenue of $1.50 billion, up 22%, and raised its 2026 revenue growth outlook to 18%-18.5%.
Acquisitions
Cardinal Health
- Advanced Diabetes Supply Group (ADSG)2025$1.1B
- Solaris Health (via The Specialty Alliance)2025$1.9B
- Integrated Oncology Network (ION)2024Undisclosed
- GI Alliance (71% stake)2024$2.8B
- Patient Recovery Business from Medtronic2017$6.1B
- Allegiance Healthcare Corp.1999Undisclosed
Questions about Cardinal Health vs Twilio
Who is the CEO of Cardinal Health, Inc. and Twilio Inc.?
Cardinal Health, Inc. is led by Jason M. Hollar and Twilio Inc. is led by Khozema Shipchandler. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.
When was Cardinal Health, Inc. founded vs Twilio Inc.?
Cardinal Health, Inc. was founded in 1971 — 37 years before Twilio Inc., which was founded in 2008. Cardinal Health, Inc.'s longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger Twilio Inc..
How many employees does Cardinal Health, Inc. have compared to Twilio Inc.?
Cardinal Health, Inc. employs approximately 63,900 people, while Twilio Inc. employs approximately 5,492. Cardinal Health, Inc. has the larger workforce at 63,900 employees, compared to Twilio Inc.'s 5,492. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).
Where are Cardinal Health, Inc. and Twilio Inc. headquartered?
Both Cardinal Health, Inc. and Twilio Inc. are headquartered in United States, meaning they operate under the same primary regulatory and tax environment.
Who founded Cardinal Health, Inc. and Twilio Inc.?
Cardinal Health, Inc. was founded by Robert D. Walter. Twilio Inc. was founded by Jeff Lawson, John Wolthuis, Evan Cooke.
Which company has a longer operating history — Cardinal Health, Inc. or Twilio Inc.?
Cardinal Health, Inc. has been operating for approximately 55 years, making it the more established of the two companies. Twilio Inc. has been in operation for around 18 years. A longer operating history often signals greater institutional resilience and brand recognition, though it can also mean slower adaptation to new market conditions.
Figures come from each company's filings and the sources linked beside them. Amounts reported in another currency are shown in US dollars at an approximate rate and marked with ~. Back to the Cardinal Health vs Twilio overview