7 Surprising Ways Jennifer Garner And John Miller’s Relationship Is Stronger Than Ever In 2025

The question of "Is Jennifer Garner dating?" has a definitive and current answer: Yes, she is in a committed, long-term relationship with businessman John Miller, and their romance is reportedly "stronger than ever" as of late 2024 and early 2025. After years of keeping their pairing intensely private, the actress and the tech CEO have quietly hit a new, more connected stride, navigating a complex life that includes co-parenting with their respective ex-spouses. This deep dive into their modern relationship reveals the surprising factors that have brought them closer than ever. The couple, who first began dating in 2018, experienced a brief split before rekindling their romance. Recent public sightings, including a rare kiss shared in April 2025 during the Easter holiday weekend, and her attendance at his industry events, have confirmed the stability of their connection. This is the inside look at the man who has won Jennifer Garner's heart and the unique dynamics of their relationship.

Who Is John Miller? A Look at Jennifer Garner's Boyfriend

Jennifer Garner’s boyfriend, John Miller, is not a Hollywood figure but a highly successful American businessman and technology executive. His low-key profile is a stark contrast to Garner’s previous high-profile marriage to Ben Affleck, which is a key component to the success of their private relationship.

John Miller Biography Profile:

• Full Name: John C. Miller
• Born: 1978
• Education: Stanford Law School (Alum)
• Primary Role: Chairman of Cali Group and CEO of PopID
• Previous Career: Worked at Arrowhead Pharmaceuticals (2004–2010)
• Business Focus: CaliGroup is the parent company of CaliBurger and focuses on integrating technology, such as facial recognition (PopID), into the restaurant and retail industries.
• Ex-Spouse: Caroline Campbell (a violinist)
• Children: Two (a son, Quest, and a daughter, Violet)

Miller's background as a CEO and attorney provides a grounding influence for the actress, and his experience as a divorced parent of two children mirrors Garner's own life, creating a foundation of mutual understanding.

The Jennifer Garner and John Miller Relationship Timeline: From Casual to Committed

The romance between the 13 Going on 30 star and the CaliGroup CEO has been a slow, steady burn, intentionally kept out of the Hollywood spotlight. Their timeline shows a deliberate move toward a deeply committed, but private, partnership.

2018: The Initial Spark

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Garner and Miller began quietly dating in 2018, shortly after her divorce from Ben Affleck was finalized. Sources at the time indicated the relationship was "casual" and "not serious," but Garner was reportedly enjoying their time together.

2020: The Brief Split and Commitment Concerns

After two years, the couple reportedly split. The reason cited by sources was a difference in commitment levels: Miller was reportedly ready for marriage, but Garner was not ready to commit to another marriage so soon after her high-profile divorce. Garner was focused on her children (Violet, Seraphina, and Samuel) and her career, which included films like The Adam Project.

2021: The Quiet Reunion

The couple rekindled their romance in the spring of 2021, choosing to keep the reunion even more under wraps. This second chance seemed to allow them to reset the pace of their relationship, focusing on compatibility rather than external pressure.

2024–2025: Stronger Than Ever

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By late 2024 and throughout 2025, the relationship was described as "more connected" and "doing better than ever." They were seen together in Los Angeles in February 2025, and a rare public display of affection—a kiss—was captured in April 2025. Garner also supported Miller at the WSJ's Future of Everything 2025 conference in May.

7 Reasons Why the Garner-Miller Romance Is Thriving in 2025

The success of Jennifer Garner’s relationship with John Miller is rooted in several intentional choices and dynamics that set it apart from her past Hollywood romances.

1. The Power of Privacy

Unlike her previous relationships that were constantly scrutinized by the media, Garner and Miller have maintained an extremely low-key profile. They rarely attend red-carpet events together and deliberately avoid the spotlight, which allows them to focus on their personal connection without external pressure.

2. Mutual Respect for Co-Parenting

Both Garner and Miller are divorced parents. Garner shares three children with Ben Affleck, and Miller shares two children with his ex-wife, Caroline Campbell. A source close to the couple confirmed that Miller is "deeply respectful" of Garner's co-parenting dynamic with Affleck, which is a non-negotiable part of her life. This understanding is crucial for a stable, modern family structure.

3. Shared Values Outside of Hollywood

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Miller is firmly entrenched in the world of technology and business, not show business. This separation of professional spheres provides a refreshing grounding for Garner, whose life is dominated by acting and brand endorsements. Their shared value of family and a life outside the celebrity bubble is a strong anchor.

4. A Second Chance with Renewed Commitment

The brief 2020 breakup, reportedly over commitment issues, seems to have served as a necessary reset. Getting back together in 2021 signaled a mutual agreement on the pace and future of the relationship, allowing them to move forward with greater certainty and less pressure to rush to the altar.

5. The "Engagement Ring" Buzz

Rumors of an engagement have been sparked multiple times, most recently in 2025, after Garner was seen wearing a glittering ring on her left hand. While neither party has confirmed an engagement, the persistent rumors suggest that marriage is no longer an off-the-table topic, indicating a deeper level of commitment than before.

6. Support for Each Other’s Careers

While they keep their personal life private, Garner has shown support for Miller’s professional endeavors, such as her attendance at the WSJ's Future of Everything conference. This quiet, mutual support for their respective, very different careers demonstrates a healthy, adult partnership.

7. A Drama-Free Zone

In the often-turbulent world of celebrity relationships, the Garner-Miller romance is notably drama-free. There are no public feuds, no social media spectacles, and no over-the-top declarations. This low-drama approach suggests a focus on stability and happiness, which is a powerful foundation for a long-term future. The fact that the relationship has lasted since 2018, with only a short break, speaks volumes about their compatibility and commitment to making it work.