Micro Journeys: The Pulse of What’s Next

How a Chance Encounter Led to a Career Shaping America’s Space Future


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In this episode of Micro Journeys, host Daniel Marrujo sits down with Jonny Pellish, a lifelong explorer of physics, microelectronics, NASA missions, and federal policy. Jonny traces a remarkable path—from philosophy major to particle physics researcher, to NASA radiation effects engineer, to shaping national technology policy on Capitol Hill and inside the Executive Office of the President. Through stories that connect particle accelerators, cosmic rays, mission assurance, and Congress, Jonny reveals how unexpected moments and open doors shaped a career at the center of space exploration and government.


The conversation dives deeper into the core theme that defines Jonny’s journey: how technical expertise and policy insight are no longer separate worlds. Jonny discusses the systemic challenges facing space systems, microelectronics, and national research and development (R&D) priorities, as well as how impedance mismatch between R&D and policy spheres can stall innovation. He highlights why engineers must understand policy, and why policymakers must learn to speak the language of technology if the U.S. is to maintain leadership in space and microelectronics.


Ultimately, this episode points to a clear solution: progress happens when technical minds step beyond the lab and into the institutions that shape national priorities. Jonny demonstrates how bridging engineering, legislation, and executive strategy leads to more resilient systems, stronger programs, and a healthier long-term space ecosystem.


What You’ll Discover in This Episode

[00:53] How a philosophy and classical languages major accidentally got pulled into physics—and the conversation that changed Jonny’s career forever.

[12:04] The surprising role muons and early particle accelerator experiments played in steering Jonny toward radiation effects engineering.

[20:40] How work with NASA, DOE, and university labs converged into a full-time role supporting engineering and mission assurance on major space missions.

[31:39] What it really means to be a radiation effects engineer for missions like ICESat-2, MAVEN, and OSIRIS-REx.

[35:54] Jonny’s unexpected leap into Congress—and the intense, behind-the-scenes realities of negotiating the CHIPS & Science Act.

[1:11:21] Two of the biggest technological challenges Jonny believes will define the future of space exploration.


Let’s Connect
  • Daniel Marrujo
  • Jonny Pellish
  • TSS Website

Learn more about TSS: https://tss.llc/micro-journeys-podcast/

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Micro Journeys: The Pulse of What’s NextBy Trusted Strategic Solutions