Micro Journeys: The Pulse of What’s Next

In this episode of Micro Journeys , host Daniel Marrujo sits down with former NASA astronaut and engineer Nicole Stott for an expansive and deeply human conversation about curiosity, resilience, and what it truly means to work—and live—in extreme environments. From her early love of flight and engineering to hands-on work with the Space Shuttle and International Space Station, Nicole traces the mi...

In this episode of Micro Journeys , Dan reflects on a landmark launch year for the podcast while unpacking the most consequential microelectronics and defense technology trends shaping 2026 and beyond. From next-generation air dominance and autonomous systems to missile defense, nuclear modernization, and secure semiconductor manufacturing, the conversation traces how national priorities, policy d...

In this special multi-guest edition of Micro Journeys , Daniel Marrujo brings together three powerful voices shaping the world from radically different angles: epidemiologist Dr. Dan Janies, semiconductor executive Thomas Sonderman, and retired A-10 pilot Dave “Trashman” Hicks. Across public health, national security, and combat aviation, each guest offers a compelling look at the hidden systems t...

In this special “Best of 2025” episode, Daniel Marrujo revisits three of the most compelling conversations of the year with Tsu-Jae King Liu, Stacie Williams, and Jennifer Buss—women whose work sits at the center of America’s technological, strategic, and scientific future. These are the voices shaping semiconductor innovation, national security thinking, and the next era of space capability. Thro...

Northrop Grumman Program Manager Brittany Battaglia joins host Daniel Marrujo for a deep dive into the evolution of microelectronics manufacturing, advanced packaging, and the future of on-shore capability in the United States. Brittany shares her winding career path—from business studies and global supply chain into highly technical program leadership—and how her cross-functional experience uniqu...

The latest episode of Micro Journeys welcomes Colonel Tim Helfrich, a career Air Force officer whose unconventional path—from Purdue ROTC to test pilot school, to leading next-generation air dominance programs—offers a rare look inside the evolution of U.S. airpower. Daniel Marrujo sits down with Col. Helfrich to unpack how the Air Force is transforming faster than ever before, exploring the break...

In this episode of Micro Journeys , host Daniel Marrujo sits down with Dr. Alan Mantooth , Distinguished Professor at the University of Arkansas and a leading figure in power electronics and semiconductor innovation. Fresh off a milestone week for the university, Alan gives Daniel an inside look at MUSIC — the Multi-User Silicon Carbide Research and Fabrication Laboratory — a first-of-its-kind fac...

In this episode of Micro Journeys , host Dan Marrujo takes listeners deep inside one of the most secure and mysterious facilities in the United States — a Department of Energy lab where scientists are literally recreating the power of the sun. Joined by Larry Phair, veteran staff scientist at the Lawrence Berkeley National Laboratory, the conversation opens the blast doors to a world where cosmic...

In this episode of Micro Journeys , host Daniel Marrujo sits down with Dave Shahin of Northrop Grumman to explore the cutting-edge world of microelectronics and advanced packaging. From his early fascination with building things to his current leadership role at Northrop Grumman’s Microelectronics Center, Dave shares a journey that spans from ceramic engineering to semiconductor innovation — and u...

Admiral James Bynum joins host Daniel Marrujo for an extraordinary deep dive into a life defined by service, leadership, and transformation. From his early fascination with aviation to commanding F/A-18 squadrons, serving on Capitol Hill with Senator John McCain, and working within the White House Military Office, Admiral Bynum’s journey charts how purpose and adaptability can span from cockpit to...

Danielle Casey, newly appointed President and CEO of the Las Vegas Global Economic Alliance (LVGEA), joins Daniel Marrujo on this episode of Micro Journeys to share her journey across economic development in Albuquerque, Sacramento, Scottsdale, and now Las Vegas. Danielle discusses her experiences with military innovation hubs, federal funding ecosystems, and regional economic strategies that have...

In this episode of Micro Journeys , host Daniel Marrujo sits down with Steve Crago, Director of the California DREAMS Hub, to discuss his remarkable career journey spanning marathons, microelectronics, and national defense innovation. From qualifying for the Boston Marathon to advancing computing architectures at USC’s Information Sciences Institute, Steve’s path reveals how personal discipline an...

In this episode of Micro Journeys , host Daniel Marrujo sits down with retired Air Force Lt. Gen. Carl “Schaef” Schaefer to reflect on a remarkable career that spans combat missions, Pentagon leadership, and shaping the future of U.S. airpower. From the shock of having a missile locked on his aircraft, to the grind of 3 a.m. wake-ups and 13-hour days, Schaefer shares both the adrenaline and the sa...

In this episode of Micro Journeys , host Daniel Marrujo sits down with Tsu-Jae King Liu, President of the National Academy of Engineering and trailblazer in semiconductor research. From her unexpected career pivot away from medicine to her pivotal role in shaping the future of microelectronics, Liu shares a remarkable journey filled with breakthroughs that continue to influence how we live, work,...

In this episode of Micro Journeys , host Daniel Marrujo sits down with John Costello, a seasoned executive with an incredible journey that spans from a blue-collar upbringing in Chicago to leading global aerospace and defense initiatives at Microchip Technology. John’s life reads like a movie script—navigating family ties to organized crime, writing a memoir titled Executive Hoodlum , influencing...

In this episode of Micro Journeys , host Daniel Marrujo sits down with Dr. Stacie Williams, Chief Science Officer for the U.S. Space Force. Dr. Williams shares her remarkable path from studying chemistry in Arkansas to leading science and technology initiatives that shape America’s role in space. Her journey spans academia, startups, national labs, and high-level defense leadership, offering liste...

In this episode of Micro Journeys , host Daniel Marrujo sits down with Major General Arnold Punaro to explore his extraordinary career spanning the U.S. Marine Corps, Capitol Hill, and the private sector. From his service as a young platoon commander in Vietnam to leading reform efforts in Washington, Punaro shares candid stories of leadership, sacrifice, and national security. He opens up about l...

In this episode of Micro Journeys , host Daniel Marrujo welcomes Dr. Jennifer Buss, CEO of the Potomac Institute for Policy Studies. Dr. Buss shares her journey from earning a PhD in biochemistry to leading one of Washington D.C.’s most respected science and technology policy think tanks. Along the way, she highlights how the Institute bridges the gap between government, business, and science to a...

In this episode of Micro Journeys , host Daniel Marrujo sits down with Mark Adams, President and CEO of Penguin Solutions (formerly Smart Global Holdings), to explore his incredible trajectory—from college football at Boston College to the upper echelons of the tech industry. Mark shares his transition from sales leadership to executive roles at Lexar, Micron, and now Penguin Solutions, offering a...

In this episode of Micro Journeys , Victoria turns the mic on host Daniel Marrujo for an in-depth conversation about his remarkable career path—from an early fascination with engineering to becoming the founder of Trusted Strategic Solutions (TSS). Daniel shares how his background in microelectronics and defense has shaped his approach to bridging gaps between government, industry, and technology...

From a small-town kid in Paris, Tennessee, to a decorated Brigadier General in the United States Air Force, Dave “Trashman” Hicks has led an extraordinary life. In this episode of Micro Journeys , host Daniel Marrujo sits down with Dave to explore his path—from his time at the Air Force Academy and flying the legendary A-10 Warthog, to combat missions in Afghanistan and Iraq, to strategic war gami...

In this episode of Micro Journeys , Daniel Marrujo sits down with Chris Progler, Executive Vice President and Chief Technology Officer at Photronics, for an in-depth conversation on the evolving role of photomasks in the global semiconductor ecosystem. From his early fascination with optics to his journey through IBM, Texas Instruments, and ultimately Photronics, Chris shares insights into the inc...

In this episode of Micro Journeys , host Daniel Marrujo visits Polar Semiconductor in Minnesota to sit down with Surya Iyer, President and COO of the company. As the U.S. pushes for domestic semiconductor self-sufficiency, Polar is emerging as a key player with a distinct edge: power semiconductors and sensors manufactured at mature nodes. Surya shares Polar's transformation from a foreign-owned i...

In this episode of Micro Journeys , host Daniel Marrujo sits down with Rick Gottscho to explore a remarkable career that has spanned scientific curiosity, groundbreaking plasma research, and leading roles shaping the semiconductor industry. From childhood fascinations with the periodic table and science fiction, to hands-on experimental research at MIT, Rick’s journey showcases how a love of funda...

In this episode of Micro Journeys , host Daniel Marrujo sits down with Raj Jammy, a seasoned leader whose career spans semiconductor research, manufacturing, and critical public-private initiatives shaping the future of microelectronics. From growing up in India, dismantling toys to understand how they worked, to spearheading pivotal semiconductor R&D partnerships in the U.S., Raj shares the p...