Payload | Ignition | Tectonic
Valley of Depth
Valley of Depth is a podcast about the technologies that matter — and the people building them. Brought to you by Arkaea Media, the team behind Payload (space), Ignition (nuclear energy), and Tectonic (defense tech), this show goes beyond headlines and hype. We talk to founders, investors, government officials, and military leaders shaping the future of national security and deep tech. From breakthrough science to strategic policy, we dive into the high-stakes decisions behind the world’s hardest technologies.
Author
Payload | Ignition | Tectonic
Category
Podcast website
Latest episode
Jul 8, 2026
Where to listen?
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Episodes
Nuclear in Space, with Kate Kelly (BWXT) 23.07.2024 46:29
This week on Pathfinder, we feature Kate Kelly, Director of Space and Emerging Programs at BWXT, an 8,000-person firm that specializes in delivering nuclear reactors and components for the Navy, commercial nuclear industry, and advanced technologies. Kate shares her journey into the nuclear and space industry, providing insights into the advancements and challenges faced by BWXT. With a backgroun...
Grand Design, with Ian Cinnamon (Apex) 16.07.2024 58:04
Fresh off of a $95M Series B funding round, this week we bring back Ian Cinnamon, CEO of Apex, on to the show. Ian, along with his co-founder Max Benassi, started Apex to address the bottleneck in satellite bus manufacturing. Apex is revolutionizing the small satellite bus market with its productized approach and rapid manufacturing capabilities. Our conversation explores Ian’s journey from conce...
Space Market Realities, with Pierre Lionnet (Eurospace) 09.07.2024 1:08:41
There aren’t many dedicated space economists out there, but today we’re lucky enough to be joined by one. This week’s Pathfinder guest is Pierre Lionnet, Research and Managing Director at Eurospace, who shares his critical and thought-provoking insights into the space economy. Pierre, with a background in engineering and finance, has spent 30 years analyzing and providing data-driven perspectives...
Agent to Investor, with Mike Palank (MaC Venture Capital) 02.07.2024 1:04:21
It’s not every day you get to hear space industry perspectives from a former Hollywood talent agent turned investor. Today we're joined by Mike Palank, General Partner at MaC Venture Capital, who shares his career path and insights into the world of VC. Mike, with a background in the entertainment industry, including working at WME as a talent agent, with Will Smith and co-founding MaC Venture Cap...
A View From Above, with Mason Angel (Industrious Ventures) 18.06.2024 45:06
Ever wanted to hear the firsthand experience of a New Shepard astronaut? Well, today we're joined by Mason Angel, General Partner at Industrious Ventures, who was on Blue Origin’s most recent flight to space. Mason, with a background deeply rooted in industrial sectors like GE and Linde through his family, shares his unique journey and insights into investing in legacy industries, focusing on aero...
The Blue Ghost, with Ray Allensworth (Firefly) 11.06.2024 47:50
This week on Pathfinder, we're joined by Ray Allensworth, Spacecraft Program Director at Firefly Aerospace. Ray, who has a previous background with major aerospace names like Raytheon and Northrop, helps lead Blue Ghost, Firefly’s lunar lander program designed to deliver scientific and commercial payloads to the surface of the Moon. The company is currently on track to be the next commercial lunar...
Free-Flying Stations, with Jed McCaleb & Max Haot (Vast) 04.06.2024 58:57
This week on Pathfinder, we're joined by Jed McCaleb, Founder, and Max Haot, CEO, the leaders behind Vast, a company pioneering the development of commercial space stations. Jed, a seasoned software entrepreneur, and Max, a veteran in space and internet ventures, bring their unique expertise to the ambitious goal of advancing human habitation in space. Our conversation covers the critical aspects...
The State and Future of EO, with Sid Dixit (Space Exec, Former Maxar) 21.05.2024 55:34
This week on Pathfinder, we're joined by Sid Dixit, former CTO of Maxar and a seasoned leader in the space industry. Sid's career spans pivotal roles at Planet, Amazon, and Maxar, where he has been at the forefront of satellite technology, artificial intelligence, and geospatial data platforms. Our discussion delves into the transformative impact of generative AI and large language models on satel...
A Critical Lens, with Sinead O'Sullivan (European Space Policy Institute) 14.05.2024 1:05:51
This week on Pathfinder, we’re joined by Sinead O’Sullivan, an economist and board member of the European Space Policy Institute. Sinead has had a unique career, from her early days in aerospace engineering in Northern Ireland to significant roles on Wall Street and at top academic institutions like Georgia Tech and Harvard. In her free time, she’s written about space, economics, wine, and even mu...
Global Connectivity, with Chris Taylor (Aalyria) 07.05.2024 54:45
This week’s Pathfinder features Chris Taylor, CEO and founder of Aalyria, a Google spinout that specializes in advanced connectivity solutions. The company is developing what could be game changing free-space optics hardware and network orchestration software to meaningfully change communication speed and efficiency across air, space, land, and sea. It’s core products include: Tightbeam: An advanc...
Single-Stage-to-Orbit, with Livingston Holder (Radian Aerospace) 30.04.2024 59:57
The first single-stage-to-orbit (SSTO) space plane? That's exactly what we're discussing on this week’s Pathfinder podcast. We interview Livingston Holder, cofounder and CTO of Radian Aerospace, which is developing a fully reusable space plane designed for horizontal launch and landing. SSTO? Essentially, SSTO vehicles are designed to reach orbit using a single stage without discarding any hardwar...
Drugs in Space, with Will Bruey & Delian Asparouhov (Varda Space) 23.04.2024 59:38
Right on the heels of their $90M funding round, this week’s Pathfinder spotlights Varda and its cofounders, Will Bruey (CEO) and Delian Asparouhov (President). The LA-based startup harnesses microgravity for pharmaceutical development and manufacturing. In its latest mission, the company successfully processed ritonavir, a crucial antiviral drug utilized in HIV/AIDS treatment. In addition to Varda...
The New Edge, with Dan Wright (Armada) 16.04.2024 52:06
Dan Wright is no typical founder. With a formidable background at software powerhouses like AppDynamics and DataRobot, Dan has shifted his focus towards bridging the technological gap in edge computing with his latest venture, Armada. As the world’s first full-stack edge computing platform, Armada integrates computing and AI capabilities directly where data is generated. Dan started Armada after r...
The State of EO + SatCom (Payload Editorial) 09.04.2024 44:13
This week, we bring you our second installment of Pathfinder’s special podcast series on the State of the Space Industry. As a reminder, you’ll hear from two members of Payload’s editorial staff on key trends, exclusive interviews, and insights shaping the industry. Today’s episode explores EO & SatCom, featuring Payload’s Research Director, Jack Kuhr, and Lead Reporter, Rachael Zisk. Highlights f...
The State of Launch & OSAM (Payload Editorial) 02.04.2024 41:34
Pathfinder is shaking things up for the next two weeks with a special pod series on the State of the Space Industry. In each episode, you’ll hear from two members of Payload’s editorial staff on key trends, exclusive interviews, and insights shaping the industry. This week? Launch & OSAM, featuring Payload’s Managing Editor Jacqueline Feldscher and Senior Space Reporter Tim Fernholz. Highlights f...
Live from Austin, with Dan Goldin (Former NASA Administrator) 19.03.2024 44:08
This week, we're going live from Austin, TX, at Payload’s inaugural event, “The Ultimate High Ground: The Role of Space in National Security,” held during SXSW. Our episode features a fireside chat with Dan Goldin, the longest-serving NASA Administrator, from April 1992 to November 2001. Dan is known for leading NASA’s resurgence during one of its most challenging periods following the Cold War. H...
Command and Control, with Nate Hamet (Quindar) 12.03.2024 45:37
This week's Pathfinder podcast features Nate Hamet, cofounder and CEO of Quindar, a startup attempting to dramatically change satellite operations. Quindar's software suite simplifies satellite command and control, enhancing health, security, and connectivity management. With a rich background in satellite operations at notable companies like OneWeb and Orbital Effects, Nate's team uses their exp...
Breakthrough Solar, with Stan Herasimenka (Solestial) 05.03.2024 46:55
Did you ever think that solar power generation in space could be 10x cheaper, 20% more efficient, and extend operational life to over 50 years? Well, that’s what the Arizona-based startup Solestial believes it can achieve with its silicon cell technology. We bring in CEO and cofounder Stan Herasimenka for his first-ever podcast to discuss the unique challenges and differences between terrestrial a...
The Architect of Change, with Lori Garver (NASA) 28.02.2024 56:36
This week’s Pathfinder features Lori Garver, a pioneering force in the space industry known for her instrumental role in propelling NASA into the modern era of commercial spaceflight. The former Deputy Administrator of NASA joins us today to discuss how partnerships with private space firms helped to shift the landscape from government-dominated missions to a thriving commercial space sector. In...
Space and Defense Tech Roadmap, with Tess Hatch (BVP) 13.02.2024 49:14
San Francisco-based venture capital firm, Bessemer Venture Partners, is diving into defense technology, with Payload securing the first interview to discuss the firm's new strategy with Partner Tess Hatch. Despite the firm's historical successes with space companies such as Terra Bella (formerly Skybox), Spire, and Rocket Lab, they are cautiously awaiting a new technological catalyst before making...
Starship is Misunderstood, with Casey Handmer (Terraform Industries) 06.02.2024 1:00:12
Our guest this week not only has a PhD in theoretical astrophysics but is also a pilot, musician, entrepreneur, language enthusiast, and a thought leader on how humanity can create a better future for itself. No, we’re not constructing a dating profile, but describing Casey Handmer, the founder of Terraform Industries, a startup focused on scaling technologies to produce cheap natural gas with su...
Space Research 2.0, with Jack Kuhr (Payload) 30.01.2024 47:18
Two weeks ago, we launched Payload Research, a new division within Payload dedicated to providing incisive, insight-driven analysis tailored for industry leaders and investors. Today, we welcome Jack Kuhr, the esteemed Research Director of Payload, to go under the hood of our new venture. We explore the motivations behind its inception and offer a glimpse into what the future holds. In addition, t...
The Future of Engineering, with Malory McLemore (Stell) 23.01.2024 39:59
Our guest this week is Malory McLemore, the co-founder and CEO of Stell, an LA-based startup that is building workflow software to serve as the future data layer for hardware and industrials. Their platform enables complex, multi-company hardware development efforts to track engineering and compliance documentation, replacing traditional methods like Excel sheets and PDFs. Malory shares her journe...
Creating Constellations, with Tim Kienberger (LeoStella) 16.01.2024 45:12
Our guest this week, Tim Kienberger, has been at the forefront of the industry's evolution from large-scale satellite buses to the small satellite revolution. As the current CEO of LeoStella, a joint venture between Thales Alenia Space and BlackSky, he is helping the company redefine small satellite manufacturing. In today's episode, Tim reveals insights into the production of small satellites and...
Refueling the Space Economy, with Daniel Faber (Orbit Fab) 09.01.2024 48:59
In this episode, Daniel Faber, CEO of Orbit Fab, a US-based company that is pioneering in-space refueling infrastructure, shares his journey from Tasmania to becoming a leader in the space economy's refueling efforts. Additionally, we delve into: Orbit Fab’s mission and services The need for refueling capabilities The economics of fuel depots Viability of asteroid mining And much more… • Chapters...
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