Garrett Josemans Career and Business: The Quantum Physicist Who Built More Than a Lab Career

June 29, 2026
Written By Admin

Most people discovered Garrett Josemans through Netflix. But long before the Love Is Blind cameras arrived, he was already doing something remarkable, building a serious science career while quietly running businesses on the side.

Garrett Josemans’ career spans government defense labs, the U.S. Navy, one of the world’s most advanced quantum computing companies, and two private business ventures. He is, in every real sense, both a scientist and an entrepreneur. And that combination is what makes his story genuinely worth understanding.

This article focuses entirely on Garrett Josemans’ career and business journey, the decisions he made, the roles he held, and the mindset that drives him.

Quick Facts

DetailInformation
Full NameGarrett Josemans Krause
ProfessionQuantum Physicist, Staff Technical Program Manager
Current EmployerIonQ (NASDAQ: IONQ)
Previous EmployersNaval Surface Warfare Center Dahlgren, U.S. Department of Defense, Jefferson Lab
EducationB.S. Physics & Mathematics, Longwood University; M.S. Applied Physics, George Mason University
Business VenturesCommercial cleaning company, real estate investment company
Years in Science Career2011–present
Known ForQuantum computing, Love Is Blind Season 7 (Netflix, 2024)
LocationWashington, D.C. metro area

Garrett Josemans’ Career Timeline

Understanding Garrett’s career means following a clear progression from hands on lab work to strategic leadership in commercial quantum computing.

2011: Civil Engineering Start (AMT Engineering)

Garrett’s first professional role was as a civil engineer at AMT Engineering from May to August 2011. It was a brief position, but it showed an early pattern: he was always willing to work across disciplines. This cross functional mindset would define his entire career.

2011–2012: Research Scientist at Jefferson Lab

Shortly after graduation, Garrett joined Jefferson Lab  formally known as the Thomas Jefferson National Accelerator Facility  as a Research Scientist. Jefferson Lab is a U.S. Department of Energy facility focused on nuclear physics research. Working there gave Garrett exposure to world class scientific infrastructure early in his career.

2012–2023: Naval Surface Warfare Center, Dahlgren Division

This is where Garrett spent the most significant chapter of his career  over a decade at the Naval Surface Warfare Center in Dahlgren, Virginia. He moved through four distinct roles:

  • System Engineer (March 2012 – May 2014)
  • Research Scientist (May 2014 – October 2015)
  • Warfare Analyst (October 2015 – October 2017)
  • Quantum Physicist (October 2017 – January 2023)

Each step reflected growth. He began in engineering, moved into research, developed analytical skills in warfare applications, and ultimately specialized as a full quantum physicist. By the time he left, he had spent several years leading the quantum technologies lab at Dahlgren, a significant responsibility within a U.S. military research environment.

It was also at Dahlgren that Garrett connected with Dr. Allen Parks, a renowned quantum metrology expert who became his mentor and encouraged him to pursue graduate studies. That mentorship proved pivotal.

2023–Present: Staff Technical Program Manager at IonQ

In January 2023, Garrett made the move from government to commercial quantum computing, joining IonQ as a Staff Technical Program Manager. This was a deliberate career choice. He wanted to apply his deep technical expertise to real world commercial applications and IonQ, a NASDAQ listed company widely regarded as a leader in trapped ion quantum computing, was the right place to do that.

At IonQ, Garrett collaborates with scientists and engineers to develop next generation quantum systems. He evaluates non-conformances, implements performance solutions, and helps lead teams working on Reconfigurable Multi Core Quantum Architecture (RMQA) a foundational technology for IonQ’s future systems.

What Does Garrett Josemans Actually Do at IonQ?

IonQ is not a household name for most people, but in the science and tech world, it is a serious company. It uses trapped ion technology to build quantum computers machines that process information in ways classical computers cannot. IonQ is publicly traded on NASDAQ (ticker: IONQ) and counts major government and commercial clients among its partners.

As a Staff Technical Program Manager, Garrett sits at the intersection of science and execution. His job is not purely to conduct research it is to make sure that research becomes working technology. He bridges the gap between physicists who design systems and engineers who build them.

His background makes him unusually effective in this role. He understands science deeply, having spent years in a lab. But he also knows how to communicate across teams, manage complex projects, and solve problems under pressure skills he built across a decade of government and military research.

As Garrett himself has explained, his background as a quantum physicist enables him to be an effective communicator in the program management role. He speaks both languages: the technical and the operational.

Garrett Josemans’ Business Ventures

Here is something most articles miss entirely: Garrett Josemans is not just a scientist. He is also a business owner.

According to a verified podcast appearance on the WorldXP Podcast (Episode 106), Garrett owns two businesses outside of his science career:

Commercial Cleaning Company

Garrett owns and operates a commercial cleaning business. While the company’s name and specific scale have not been publicly disclosed, this is a well established entrepreneurial path for professionals looking to generate steady, scalable income outside of their primary career. Commercial cleaning businesses typically serve offices, facilities, and industrial spaces recurring contracts that generate predictable cash flow.

Real Estate Investment Company

Garrett also owns a real estate investment company. Again, specific details such as portfolio size and property locations have not been publicly confirmed. However, real estate investment is a common and logical income diversification strategy for high earning professionals, particularly those based in the Washington, D.C. metro area, one of the most stable real estate markets in the United States.

These two ventures demonstrate something important: Garrett has intentionally built income streams outside of his salary. That reflects a business minded approach that goes far beyond a typical academic or government scientist.

How Garrett Josemans Built Multiple Income Streams

Garrett’s financial strategy though he has never explicitly laid it out in public follows a pattern that many successful professionals recognize:

Primary income: A specialized, high demand career in quantum computing and physics. Technical Program Managers at companies like IonQ operate in a competitive market with strong compensation.

Business income: A commercial cleaning company provides recurring revenue with low technical overhead. It runs independently of his science work.

Investment income: A real estate investment company builds long term asset value, particularly in a strong real estate market like the D.C. metro area.

This is a three pillar approach: earn well, run a service business, and invest in assets. It is a model that works precisely because each stream operates independently. If one slows, the others continue.

Furthermore, his appearance on Love Is Blind Season 7 significantly expanded his public profile, which may create future opportunities in speaking, media, or science communication though none of these have been publicly confirmed as paid engagements.

Career Lessons Entrepreneurs Can Learn From Garrett Josemans

Garrett’s career offers more than a biography. It offers a practical framework for anyone building a career and a business simultaneously.

Deep Expertise Is a Business Asset

Garrett didn’t start a company and then learn quantum physics. He built deep expertise first through government labs, graduate school, and military research. That expertise made him valuable at IonQ and gave him the credibility to negotiate from a position of strength. For entrepreneurs, the lesson is clear: your knowledge is your brand. Invest in it seriously before trying to monetize it.

Government Work Can Be a Springboard, Not a Ceiling

Many people assume a government science career leads to a comfortable but limited path. Garrett’s trajectory proves otherwise. A decade at Dahlgren didn’t limit him; it gave him classified level technical skills, leadership experience, and a professional network that eventually led to IonQ. Government service, especially in research and defense technology, can be one of the best career launch pads available.

Build a Business That Runs Without You

The fact that Garrett owns a commercial cleaning company while working full time as a physicist says a great deal. He didn’t choose a business that required his constant presence or technical input. A cleaning business, operated with the right team and systems, can run largely independently. That is intentional. When choosing a side business, consider how much of your time it actually demands.

Real Estate as a Long Term Strategy

Garrett’s investment in real estate reflects long term thinking. He is not flipping properties for quick cash; he owns a company, suggesting a structured approach to real estate as an asset class. For professionals with stable incomes, real estate investment offers leverage, tax advantages, and appreciation over time. It is one of the most time tested paths to building lasting wealth.

Curiosity Transfers Across Domains

Garrett’s scientific mindset, the habit of analyzing data, forming hypotheses, and testing outcomes  translates directly to business. He has spoken about approaching relationships the way he approaches science: looking for data points, committing fully when the evidence supports it, and adapting when things change. That same analytical discipline makes a good business owner. Problems become experiments. Failures become data.

Garrett Josemans’ Approach to Career and Business Strategy

garrett-josemans-approach-to-career-and-business-strategy

What stands out most about Garrett’s career is that it doesn’t follow one script. He has worked in civil engineering, nuclear physics research, defense analysis, quantum physics, and now commercial technology  all while running private businesses.

That versatility is not accidental. It reflects a strategy of following where curiosity and opportunity intersect. He has consistently moved toward roles that offer both intellectual challenge and practical impact.

At IonQ, he describes the environment as feeling like a “Super Bowl team”  , a place where every member is skilled and mission driven. That kind of culture attracts professionals who want to do meaningful work, not just collect a paycheck. Garrett clearly fits that profile.

His business ventures reflect the same logic. He chose businesses that generate income without requiring him to abandon his scientific work. That balance of professional excellence paired with entrepreneurial diversification  is a model worth studying.

Interesting Facts About Garrett Josemans’ Career

  • He held four different roles at the Naval Surface Warfare Center over more than a decade, progressing from System Engineer to Quantum Physicist.
  • He worked at Jefferson Lab, a U.S. Department of Energy national laboratory, early in his career.
  • His mentor, Dr. Allen Parks, encouraged him to pursue graduate studies in quantum metrology, a decision that shaped his entire career arc.
  • He joined IonQ in January 2023, transitioning from government defense work to commercial quantum computing.
  • He holds a master’s degree in applied physics from George Mason University and a dual bachelor’s in physics and mathematics from Longwood University.
  • He appeared on a podcast  the WorldXP Podcast (Episode 106)  discussing entrepreneurship, spearfishing, and business ownership, well before his Love Is Blind fame.
  • His research background includes quantum key distribution, quantum metrology, quantum sensing, and weak value amplification.
  • IonQ, his employer, is listed on NASDAQ and is one of the most prominent companies in the global quantum computing race.
  • He is aiming to break a world record for sheepshead catch using a polespear, a goal that reflects the same intensity he brings to his career.

Frequently Asked Questions

What is Garrett Josemans’ current job? 

Garrett works as a Staff Technical Program Manager at IonQ, a publicly traded quantum computing company. He joined IonQ in January 2023. In this role, he collaborates with scientists and engineers to develop next generation quantum systems.

Does Garrett Josemans own any businesses? 

Yes. According to a verified podcast appearance, Garrett owns a commercial cleaning company and a real estate investment company. These operate alongside his career at IonQ.

Where did Garrett Josemans work before IonQ? 

He spent over a decade at the Naval Surface Warfare Center in Dahlgren, Virginia, holding roles including System Engineer, Research Scientist, Warfare Analyst, and Quantum Physicist. Before that, he worked at Jefferson Lab and briefly at AMT Engineering.

What does a Technical Program Manager at IonQ do? 

A TPM at IonQ bridges scientific research and engineering execution. Garrett specifically collaborates on next generation quantum hardware development and helps lead teams working on Reconfigurable Multi Core Quantum Architecture (RMQA).

What did Garrett Josemans study? 

He earned a dual B.S. in physics and mathematics from Longwood University and a master’s in applied physics from George Mason University, where he focused on quantum metrology and quantum information science.

How long has Garrett Josemans worked in quantum physics? 

He began working in scientific research in 2011 and moved into quantum physics specifically around 2017. By 2026, he has over 15 years of scientific and technical career experience.

Is Garrett Josemans an entrepreneur? 

Yes. Beyond his science career, he owns a commercial cleaning company and a real estate investment company, making him both a scientist and an active business owner.

How did Garrett Josemans transition from government to commercial quantum computing? 

After leading quantum research at the Navy’s Dahlgren lab, Garrett sought to apply his expertise to commercial applications. IonQ’s mission and team culture aligned with his skills and ambitions, making it a natural next step.

Conclusion

Garrett Josemans’ career is not a straight line; it is a deliberate, multi track journey built on deep expertise, curiosity, and smart diversification. He moved from nuclear physics research to defense analysis to commercial quantum computing. Along the way, he built two private businesses and developed a public profile through Netflix that most scientists never experience.

What makes his story valuable is not the television appearance. It is the pattern underneath: invest deeply in your craft, diversify your income intelligently, and never treat your career as a single bet. Garrett Josemans has built exactly that kind of career and it continues to evolve.

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