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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

Artificial intelligence is often discussed through models and GPUs. This episode looks beneath that surface, at the power delivery and networking required to make AI work at scale.

Host Sriram Viswanathan speaks with Rajiv Khemani, a serial deep tec... more

Canada produces world-leading science, engineering, and AI research. So why does so much of that research still commercialize outside of Canada?

In this episode of TechSurge, host Nic Brathwaite puts that question to four leaders at two of Canada's ... more

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TechSurge is sponsored by Notion. From product roadmaps to investor updates, Notion is where modern teams plan, write, and ship together. Get started at notion.dev/techsurge.

Search began as a way to find pages. AI is turning it into a way to... more

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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Recent Guests

Rajiv Khemani
Entrepreneur and technology executive; founder/leader of Cavium, Innovium, Velaura AI, Upscale AI
Velaura AI; Upscale AI; Innovium; Cavium
Episode: The Moving Bottleneck: Networking, Power, Memory, and the Race to Win AI
Mary Wells
Dean of Engineering, University of Waterloo
University of Waterloo
Episode: Physical AI, Quantum, and Bio-Innovation: Inside Canada’s Research Frontier
Chris Houser
Dean of Science, University of Waterloo
University of Waterloo
Episode: Physical AI, Quantum, and Bio-Innovation: Inside Canada’s Research Frontier
Heather Sheardown
Dean of Engineering, McMaster University
McMaster University
Episode: Physical AI, Quantum, and Bio-Innovation: Inside Canada’s Research Frontier
Gianni Parise
Vice President of Research, McMaster University
McMaster University
Episode: Physical AI, Quantum, and Bio-Innovation: Inside Canada’s Research Frontier
Prabhakar Raghavan
Google Chief Technologist, former Yahoo! and IBM researcher
Google
Episode: Google's Chief Technologist on Intelligent Search in the Age of AI
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

Hosts

Nic Brathwaite
Founding Partner at Celesta Capital; frequent host discussing tech trends, venture investing, and market strategy.
Michael Marks
Founding Partner at Celesta Capital; co-host covering deep tech, markets, and founder journeys.
Sriram Viswanathan
Founding Partner at Celesta Capital; lead host with emphasis on technology strategy, AI, and industry dynamics.

Reviews

4.6 out of 5 stars from 65 ratings
  • Latest tech podcast

    This is a great podcast for anyone looking to keep up with what's happening at the top end of technology. It covers a wide area but always highly interesting topics of the latest and greatest minds doing incredible things. Highly recommended!

    Apple Podcasts
    5
    Jerry M Brown
    Canada2 months ago
  • 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 States3 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 States3 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 States3 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 States3 months ago

Listeners Say

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

Consistently well-produced with strong structure and credible guests.
High-quality guests and deep dives into AI, data centers, and tech policy.
Thoughtful, expert-level discussions that are accessible for founders and investors.

Chart Rankings

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

Apple Podcasts
#98
Italy/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?

A biweekly deep-tech conversation series that explores the intersection of technology, geopolitics, and market dynamics, with a focus on AI, data centers, semiconductors, space, and policy. Discussions frequently feature industry leaders, investors, and researchers who unpack technology trends, commercialization pathways, and strategic implications for founders and enterprises. A notable strength is connecting hands-on engineering topics with broader economic and policy contexts, often exploring how ecosystems, capital, and regulation shape innovation. The show consistently emphasizes practical takeaways for founders and investors, while hosting marquee guests from both industry and government to illuminate the frontier of deep tech and its... more

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How many episodes of TechSurge: Deep Tech Podcast are there?

TechSurge: Deep Tech Podcast launched 2 years ago and published 39 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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What guests have appeared on TechSurge: Deep Tech Podcast?

Recent guests on TechSurge: Deep Tech Podcast include:

1. Rajiv Khemani
2. Mary Wells
3. Chris Houser
4. Heather Sheardown
5. Gianni Parise
6. Prabhakar Raghavan
7. Stacy Rasgon
8. Ariel Ekblaw

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