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Boston Scientific vs DexCom: Founders, CEOs and History

Boston Scientific was founded in 1979 by John Abele, Pete Nicholas and is led by Michael F. Mahoney. DexCom was founded in 1999 by Scott Glenn, Chuck Sherman and is led by Kevin Sayer.

Company facts

Boston Scientific

Founded
1979
Headquarters
Marlborough, Massachusetts, United States
Current CEO
Michael F. Mahoney
Employees
48,000

DexCom

Founded
1999
Headquarters
San Diego, California
Current CEO
Kevin Sayer
Employees
9,600

Founders

Boston Scientific

  • John Abele

    John Abele co-founded the enterprise, establishing its foundational technology architecture and long-term operating vision.

  • Pete Nicholas

    Pete Nicholas co-founded the enterprise, establishing its foundational technology architecture and long-term operating vision.

Boston Scientific founders in full

DexCom

  • Scott Glenn

    Pioneering medical device entrepreneur who founded Dexcom in 1999 with a vision to eliminate fingerstick testing through continuous glucose monitoring.

  • Chuck Sherman

    Key engineering pioneer who contributed to early electrochemical sensor design and foundational intellectual property.

DexCom founders in full

CEOs and their tenures

Boston Scientific

  1. Michael F. Mahoney

    Chief Executive Officer

Boston Scientific CEO history in full

DexCom

  1. Kevin Sayer

    Chairman, President and CEO

  2. Jereme Sylvain

    Executive Vice President and Chief Financial Officer

  3. Jake Leach

    Executive Vice President and Chief Operating Officer

  4. Steven Pacelli

    Executive Vice President, Strategy and Corporate Development

  5. Barry Regan

    Executive Vice President, Global Operations

DexCom CEO history in full

Timeline: Boston Scientific and DexCom side by side

  1. 1979Boston Scientific

    Boston Scientific Founded

    John Abele and Pete Nicholas establish Boston Scientific in Watertown, MA to pioneer less-invasive medical devices.

  2. 1992Boston Scientific

    Initial Public Offering on NYSE

    Lists on the New York Stock Exchange under ticker symbol BSX, raising capital for global expansion.

  3. 1995Boston Scientific

    Acquisition of SCIMED Life Systems

    Acquires SCIMED for $850M, establishing undisputed market leadership in interventional coronary angioplasty.

  4. 1999DexCom

    Founded in San Diego

    Dexcom founded in San Diego, California by Scott Glenn to revolutionize diabetes care.

  5. 2004Boston Scientific

    Launch of Blockbuster TAXUS Stent

    Introduces the TAXUS Express paclitaxel-eluting coronary stent, driving annual sales past $5 billion.

  6. 2006Boston Scientific

    Landmark $27B Acquisition of Guidant

    Acquires cardiac rhythm management leader Guidant, entering pacemakers, defibrillators, and heart failure devices.

  7. 2006DexCom

    IPO & First FDA Approval

    Completes initial public offering on NASDAQ under DXCM and receives FDA approval for first CGM.

  8. 2008DexCom

    Dexcom SEVEN Launch

    Introduction of the Dexcom SEVEN system, marking a significant leap in sensor longevity.

  9. 2011Boston Scientific

    CE Mark for WATCHMAN Device

    Receives European approval for the WATCHMAN left atrial appendage closure device for stroke prevention.

  10. 2012Boston Scientific

    Michael F. Mahoney Appointed CEO

    Michael Mahoney assumes leadership, initiating a comprehensive operational turnaround and portfolio revitalization.

  11. 2012DexCom

    Dexcom G4 Platinum

    Launch of the G4 Platinum, revolutionizing CGM accuracy and pediatric approval.

  12. 2015Boston Scientific

    FDA Approval of WATCHMAN

    Secures landmark FDA approval for WATCHMAN, launching commercial stroke prevention in US cardiac patients.

  13. 2015DexCom

    Dexcom G5 Mobile

    FDA approves G5 Mobile, the first CGM with mobile app connectivity without a receiver.

  14. 2018DexCom

    G6 Launch & TypeZero Acquisition

    Launch of Dexcom G6 featuring zero fingersticks and acquisition of TypeZero Technologies.

  15. 2019Boston Scientific

    Acquisition of BTG for $4.2B

    Expands into interventional oncology, vascular medicine, and specialized medical antidotes.

  16. 2019DexCom

    $1.4B Revenue Milestone

    Annual revenues surpass $1.4 billion as global patient adoption accelerates rapidly.

  17. 2020DexCom

    Tandem Control-IQ Integration

    Integration with Tandem Control-IQ automated insulin delivery closed-loop system.

  18. 2021Boston Scientific

    Acquisition of Farapulse

    Acquires Farapulse to secure the world's leading pulsed field ablation platform for cardiac arrhythmias.

  19. 2021DexCom

    $2.4B Revenue Cross

    Revenue crosses $2.4 billion with international expansion spanning over 90 countries.

  20. 2022DexCom

    Dexcom G7 Clearance

    FDA clearance of the Dexcom G7 featuring a 60% smaller footprint and 30-minute warm-up.

  21. 2023Boston Scientific

    Acquisition of Relievant Medsystems

    Adds the Intracept intraosseous nerve ablation system for vertebrogenic chronic low back pain.

  22. 2023DexCom

    $3.62B Revenue Record

    Annual revenues reach $3.62 billion with net income scaling to $541 million.

  23. 2024Boston Scientific

    FDA Clearance of FARAPULSE PFA System

    Secures historic FDA approval for FARAPULSE, transforming atrial fibrillation ablation across the US.

  24. 2024Boston Scientific

    Acquisition of Axonics for $3.7B

    Agrees to acquire Axonics to capture global market leadership in sacral neuromodulation for pelvic health.

  25. 2024Boston Scientific

    Annual Revenue Reaches $14.2B

    Achieves record financial performance with double-digit organic growth, serving 37 million patients worldwide.

  26. 2024DexCom

    Stelo OTC Launch

    Launch of Stelo, the first FDA-cleared over-the-counter biosensor for type 2 non-insulin diabetes.

  27. 2025DexCom

    Global User Base Expansion

    Global installed user base surpasses 2.5 million active diabetes patients worldwide.

  28. 2026DexCom

    Next-Gen Multi-Analyte Biosensors

    Advancement of multi-analyte biosensors and expanded automated pump partnerships.

  29. 2026DexCom

    Manufacturing Scale-Up

    Expansion of high-volume automated manufacturing facilities in Arizona and Malaysia.

  30. 2026DexCom

    Market Cap Milestone

    Market capitalization surpasses $32 billion amid robust institutional adoption.

Questions about Boston Scientific vs DexCom

Who is the CEO of Boston Scientific and DexCom, Inc.?

Boston Scientific is led by Michael F. Mahoney and DexCom, Inc. is led by Kevin Sayer. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.

When was Boston Scientific founded vs DexCom, Inc.?

Boston Scientific was founded in 1979 — 20 years before DexCom, Inc., which was founded in 1999. Boston Scientific's longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger DexCom, Inc..

How many employees does Boston Scientific have compared to DexCom, Inc.?

Boston Scientific employs approximately 48,000 people, while DexCom, Inc. employs approximately 9,600. Boston Scientific has the larger workforce at 48,000 employees, compared to DexCom, Inc.'s 9,600. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).

Where are Boston Scientific and DexCom, Inc. headquartered?

Both Boston Scientific and DexCom, Inc. are headquartered in United States. Their local rules and tax obligations may still differ.

Who founded Boston Scientific and DexCom, Inc.?

Boston Scientific was founded by John Abele, Pete Nicholas. DexCom, Inc. was founded by Scott Glenn, Chuck Sherman.

Which company has a longer operating history — Boston Scientific or DexCom, Inc.?

Boston Scientific has been operating for approximately 47 years, making it the more established of the two companies. DexCom, Inc. has been in operation for around 27 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 Boston Scientific vs DexCom overview

Content is for informational purposes only. Not financial advice. Data sourced from SEC filings, annual reports, and public records. See our full disclaimer and methodology.