The Tech Mogul And The Star: 7 Surprising Facts About John C. Miller, CEO Of PopID And Jennifer Garner's Partner

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John C. Miller has quietly become one of the most intriguing figures in both the technology and celebrity worlds, a distinction that has only grown more pronounced as of late December 2025. While he maintains a famously private life, his professional ventures—particularly his role as CEO of PopID and Chairman of Cali Group—place him at the forefront of the biometric payment revolution. This article cuts through the celebrity buzz to deliver the most current and essential updates on the businessman, attorney, and partner of Hollywood star Jennifer Garner.

The latest news surrounding Miller centers on a significant financial milestone for his tech company, PopID, and the ongoing, stable nature of his high-profile relationship. From securing major international investment to steering the future of identity verification, Miller’s influence extends far beyond the red carpet, making him a true power player in modern commerce.

John C. Miller: A Comprehensive Biography and Profile

John C. Miller is an accomplished American businessman and attorney known for his strategic leadership in technology and the restaurant industry. He is the principal figure driving the integration of cutting-edge facial recognition technology into everyday consumer experiences.

  • Full Name: John C. Miller
  • Born: 1978
  • Age (as of 2025): 47
  • Nationality: American
  • Education: Holds a law degree (J.D.) and is a practicing attorney.
  • Current Roles:
    • Chairman of Cali Group (Investment Company)
    • Chief Executive Officer (CEO) of PopID, Inc. (Biometric Identity/Payment Platform)
    • Chief Executive Officer (CEO) of CaliBurger (Fast-Casual Restaurant Chain)
  • Notable Career History: Worked at Arrowhead Pharmaceuticals from 2004 to 2010.
  • High-Profile Relationship: Partner of actress Jennifer Garner (dating on-and-off since 2018).
  • Former Marriage: Previously married to violinist Caroline Campbell, with whom he shares two children.

The May 2025 Investment and PopID’s Biometric Revolution

The most significant and recent update concerning John C. Miller's professional life is the major funding round secured by his company, PopID. This development underscores his position as a leader in the future of retail and payments.

PopID Secures Series C Funding from NEC Orchestrating Future Fund

In a major boost for the company, PopID successfully closed a Series C funding round in May 2025. This round included a strategic investment from the NEC Orchestrating Future Fund, a corporate venture capital fund of the Japanese multinational NEC.

This investment is crucial as it signals international confidence in PopID’s proprietary facial recognition platform. The partnership with NEC is specifically aimed at accelerating the deployment and use of NEC’s advanced facial recognition technology across North America, leveraging PopID's extensive network.

PopID is actively shaping the future of biometric payments. The platform is designed to be a universal gateway for verifying an individual's identity based on their face, primarily for applications like loyalty programs and payment processing. This technology allows customers to pay and verify their identity at various retail and restaurant points of sale simply by using their face, offering an alternative to traditional cards or mobile apps.

The company, a majority-owned subsidiary of Cali Group, is not just focused on fast food. PopID has expanded its reach to various sectors, including launching its platform on California college campuses and partnering with major foodservice equipment distributors like Wasserstrom for nationwide distribution.

Cali Group and the Automation of the Restaurant Industry

As Chairman of Cali Group, John C. Miller oversees a holding company that serves as the incubator for many of his technological visions. Cali Group is dedicated to investing in and developing software products aimed at digitizing and automating the restaurant and retail industries.

CaliBurger, the fast-casual restaurant chain where Miller also serves as CEO, acts as the primary testbed for these innovations. It was one of the first chains to implement PopID’s facial recognition payment system, demonstrating the real-world application of the technology. This integration of tech and food highlights Miller's strategic vision: to streamline operations, enhance customer experience, and ultimately reduce labor costs through automation.

Key entities and technologies under the Cali Group umbrella include:

  • PopID: The core biometric identity and payment platform.
  • CaliBurger: The restaurant chain that pilots the new technologies.
  • Miso Robotics: A company developing advanced robotics for the commercial kitchen, which Cali Group has partnered with to automate tasks like flipping burgers (using the 'Flippy' robot).

Miller’s work here is not just about convenience; it’s about reshaping the fundamental economics of the foodservice industry by leveraging AI, robotics, and biometric verification.

The Latest on the Jennifer Garner and John Miller Relationship

While his business ventures are groundbreaking, for many, John C. Miller is primarily known as the long-term partner of actress Jennifer Garner. The couple has maintained an exceptionally private, on-and-off relationship since 2018, distinguishing it from the typical Hollywood romance.

A Private Romance in the Public Eye

As of March 2025 and into the summer, reports confirm that Garner and Miller are still happily together. Their approach to the relationship is notably low-key; they rarely comment publicly and choose to avoid the intense scrutiny of the public eye. This discretion has allowed their bond to grow away from the media spotlight, focusing instead on their families and personal lives.

Despite their desire for privacy, the couple has sparked significant engagement rumors. In early 2025, a "mystery ring" worn by Garner fueled speculation that the tech CEO and the actress might be ready to take the next step.

Navigating Co-Parenting Dynamics

A testament to the stability of their relationship is Miller's reported understanding and acceptance of Garner's ongoing co-parenting dynamic with her ex-husband, Ben Affleck. Garner and Affleck continue to actively co-parent their three children, with the two even attending public events together as a family. Miller’s ability to navigate this complex family structure with grace is often highlighted as a key factor in the longevity of his romance with Garner.

In summary, John C. Miller is a multifaceted figure whose influence spans technology, law, and celebrity culture. His recent success with PopID’s Series C funding in May 2025 solidifies his status as a major player in the tech sector, while his private, stable relationship with Jennifer Garner continues to captivate the public’s curiosity.

The Tech Mogul and The Star: 7 Surprising Facts About John C. Miller, CEO of PopID and Jennifer Garner's Partner
john c. miller
john c. miller

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