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The TechSurge: Deep Tech VC Podcast explores the frontiers of emerging tech, geopolitics, and business, with conversations tailored for entrepreneurs, technologists, and investment professionals. Presented by Celesta Capital, and hosted by Founding Partners Nic Brathwaite, Michael Marks, and Sriram Viswanathan. Send feedback and show ideas to techsurge@celesta.vc. Each discussion delves into the i... more

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Artwork for TechSurge: Deep Tech Podcast

Latest Episodes

Semiconductors have moved from the background of the technology stack to the center of the AI economy. What used to be a specialized industry discussed mostly by engineers and investors is now shaping the speed, cost, and strategic direction of moder... more

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For most of human history, space has been a place we visited. The next chapter may be about building there.

For decades, space was the domain of governments, astronauts, and science fiction. Today, falling launch costs, reusable rockets, and a new g... more

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For years, the United States told itself a reassuring story: China could manufacture and copy, but it couldn't innovate. That story is no longer credible. From DeepSeek's compute-efficient AI model to BYD's dominance of the global EV market, China is... more

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For thirty years, the United States largely ignored critical minerals. We mined less, processed less, and stockpiled less — while China quietly built the most dominant mineral supply chain in modern history. When China imposed rare earth export restr... more

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Recent Guests

Stacy Rasgon
Chip industry analyst at Bernstein
Bernstein
Episode: Battle for the AI Data Center: Deep Dive on the Semiconductor Supercycle
Ariel Ekblaw
Founder, MIT Space Exploration Initiative; runs Aurelia Institute; founder of Rendezvous Robotics
Aurelia Institute; Rendezvous Robotics; MIT Space Exploration Initiative
Episode: In-Orbit Manufacturing, AI Data Centers, and the New Space Economy with MIT’s Ariel Ekblaw
Vivek Chilukury
Expert on technology and national security with experience in State Department and Senate
Center for a New American Security
Episode: The U.S. – China Deep Tech Arms Race
Gracelin Baskaran
Director of Critical Mineral Security Program at the Center for Strategic and International Studies; mining economist
CSIS
Episode: Rare Earth Rush: Strategic Minerals and Tech's New Resource Wars
Hester Peirce
Commissioner, U.S. Securities and Exchange Commission (SEC)
SEC
Episode: The US Crypto Awakening
Eric Fossum
Inventor of CMOS Active Pixel Image Sensor; Professor at Dartmouth College
Dartmouth College
Episode: Pixels to Intelligence: The Next Era of Imaging
Helen Toner
Leader at Georgetown's Center for Security and Emerging Technology (CSET); Former OpenAI board member
Georgetown University / CSET
Episode: Sovereign AI Stacks: The New Strategic National Resource
Rumman Chowdhury
CEO of Humane Intelligence; former leader of algorithmic accountability at Twitter and Accenture; US State Department's first science envoy for AI
Humane Intelligence
Episode: Governing AI Before It Outpaces Us: Safety for Critical Infrastructure
Mr. S. Krishnan
Secretary at India's Ministry of Electronics and Information Technology
Ministry of Electronics and Information Technology
Episode: India: The Next Tech Global Superpower?

Host

Sriram Viswanathan
Founding managing partner at Celesta Capital; co-host of deep tech discourse with a focus on investing and strategic tech trends

Reviews

4.6 out of 5 stars from 65 ratings
  • Very educational!

    I recently listened to the episode on crypto and I enjoyed how thorough the episode was! I learned a lot about the issues surrounding a topic I didn't really fully understand. I look forward to learning more about other things in future episodes too!

    Apple Podcasts
    5
    FindingHopeAfterLoss
    United States2 months ago
  • Crypto!

    The latest episode I’ve learned so much from understanding the background of crypto, really enjoyed the episode. Subscribing to the podcast!

    Apple Podcasts
    5
    The Influence Exchange
    United States2 months ago
  • Super interesting!

    Super interesting show. Love the discussions around AI and business. The hosts do a great job of explaining things and making some of the more mundane stuff interesting. Highly recommend.

    Apple Podcasts
    5
    maj8614
    United States2 months ago
  • Well produced!

    Offers clear, insightful conversations on complex tech topics without feeling too overwhelming. The host spring on strong guests, keeping discussions, thoughtful, and making it a great lesson for anyone curious about where tech is headed.

    Apple Podcasts
    4
    justme514
    United States2 months ago
  • If you love tech… listen up!

    This podcast does a great job breaking down complex tech and business topics in a way that’s actually interesting to listen to. The hosts ask thoughtful questions, and the guests bring a lot of real-world insight from the industry. I like that it covers both big-picture trends and practical advice for founders and tech enthusiasts. Definitely a solid listen if you want to stay up to date on what’s happening in tech.

    Apple Podcasts
    5
    FlyingStandby
    United States2 months ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

The host lineup delivers high-level tech and policy insights with marquee guests.
Rigorous tech conversations that stay practical for founders and investors.
Consistently strong guests; a great resource for staying ahead in tech trends.
Thoughtful interviews with deep dives into AI policy and governance.
Clear, engaging discussions with credible experts and leaders in tech.”

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#155
United States/Technology
Apple Podcasts
#77
Netherlands/Technology
Apple Podcasts
#104
Switzerland/Technology
Apple Podcasts
#228
Singapore/Technology

Talking Points

Recent interactions between the hosts and their guests.

In-Orbit Manufacturing, AI Data Centers, and the New Space Economy with MIT’s Ariel Ekblaw
Q: So Tesserae, that's your system—what is Tesserae?
Tesserae stands for tessellated electromagnetic space structures for the exploration of reconfigurable adaptive environments, a modular self-assembly approach inspired by ancient mosaics where magnetized tiles autonomously bond to form larger structures in space.
The U.S. – China Deep Tech Arms Race
Q: Given the global talent market, what should founders consider when plotting a path in this geopolitical landscape?
Be cautious about dual-use exposure with China, explore opportunities in global south markets, and build diverse, globally minded teams while leveraging the U.S. strengths in capital and institutions.
The U.S. – China Deep Tech Arms Race
Q: What lessons can the U.S. draw from China's approach to industrial policy and longer-term planning?
Balance openness and adaptability with medium-to-long-term clarity; avoid overreliance on quick export controls, and build a more coherent national strategy that coordinates investment, regulation, and talent across government and industry.
The U.S. – China Deep Tech Arms Race
Q: The hardware and software stacks are intertwined; how do you see these two areas shaping each other in the near term?
They are connected and mutually reinforcing; software needs trusted hardware, and hardware pacing will increasingly be driven by software needs, especially as edge AI and smaller models gain ground.
Rare Earth Rush: Strategic Minerals and Tech's New Resource Wars
Q: How should tech and manufacturing companies think about reducing supply chain dependence for minerals in their products?
Adopt dual sourcing and strategic partnerships, push for industry-agnostic demand signals across allied countries to boost scale, invest in domestic processing and recycling capabilities, and support policies that incentivize secure, diversified supply chains rather than relying on a single source.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

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Frequently Asked Questions About TechSurge: Deep Tech Podcast

What is TechSurge: Deep Tech Podcast about and what kind of topics does it cover?

The series covers frontier technology, AI governance, deep tech entrepreneurship, and market dynamics with a strong emphasis on policy, infrastructure, and global tech strategy. Episodes feature interviews with VCs, founders, policymakers, and technologists who explain how emerging tech—from AI and data centers to semiconductors and imaging sensors—will shape business, regulation, and competition. A notable strength is the high-caliber guest roster and the ability to connect technical detail with strategic implications for investors, startups, and enterprise buyers, making it valuable for listeners who want actionable insights and a broader view of tech-enabled growth and risk. The show tends to blend practical founder advice with macro per... more

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1. Smart Travel: Upgrade Your Getaways
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How many episodes of TechSurge: Deep Tech Podcast are there?

TechSurge: Deep Tech Podcast launched 2 years ago and published 36 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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Recent guests on TechSurge: Deep Tech Podcast include:

1. Stacy Rasgon
2. Ariel Ekblaw
3. Vivek Chilukury
4. Gracelin Baskaran
5. Hester Peirce
6. Eric Fossum
7. Helen Toner
8. Rumman Chowdhury

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