

TechSurge: Deep Tech Podcast
Celesta Capital | Deep Tech Venture Capital Firm
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 intersection of technology advancement, market dynamics, and the founder journey, offering insights into the vast opportunities and complex challenges ahead. Episode topics include AI, data center transformation, blockchain, cyber security, healthcare innovation, VC investment trends, tips for first-time founders, and more.
Tune in to hear directly from Silicon Valley leaders, daring new founders, and visionary thinkers. Past guests include investor Vinod Khosla, former PepsiCo CEO Indra Nooyi, the Global Head of McKinsey, and executive leaders from Microsoft, OpenAI, and other leading tech companies.
New episodes release every two weeks. Visit techsurgepodcast.com for more details and to sign up for our newsletter and other content!
Each discussion delves into the intersection of technology advancement, market dynamics, and the founder journey, offering insights into the vast opportunities and complex challenges ahead. Episode topics include AI, data center transformation, blockchain, cyber security, healthcare innovation, VC investment trends, tips for first-time founders, and more.
Tune in to hear directly from Silicon Valley leaders, daring new founders, and visionary thinkers. Past guests include investor Vinod Khosla, former PepsiCo CEO Indra Nooyi, the Global Head of McKinsey, and executive leaders from Microsoft, OpenAI, and other leading tech companies.
New episodes release every two weeks. Visit techsurgepodcast.com for more details and to sign up for our newsletter and other content!
Episodes
Mentioned books

Jul 1, 2025 • 26min
Season 1 Finale: Risks, Rewards, and Realities of Open vs. Closed AI
In TechSurge’s Season 1 Finale episode, we explore an important debate: should AI development be open source or closed? AI technology leader and UN Senior Fellow Senthil Kumar joins Michael Marks for a deep dive into one of the most consequential debates in artificial intelligence, exploring the fundamental tensions between democratizing AI access and maintaining safety controls.Sparked by DeepSeek's recent model release that delivered GPT-4 class performance at a fraction of the cost and compute, the discussion spans the economics of AI development, trust and transparency concerns, regulatory approaches across different countries, and the unique opportunities AI presents for developing nations.From Meta's shift from closed to open and OpenAI's evolution from open to closed, to practical examples of guardrails and the geopolitical implications of AI governance, this episode provides essential insights into how the future of artificial intelligence will be shaped not just by technological breakthroughs, but by the choices we make as a global community.If you enjoy this episode, please subscribe and leave us a review on your favorite podcast platform. Sign up for our newsletter at techsurgepodcast.com for updates on upcoming TechSurge Live Summits and news about Season 2 of the TechSurge podcast. Thanks for listening! Links:Slate.ai - AI-powered construction technology: https://slate.ai/World Economic Forum on open-source AI: https://www.weforum.org/stories/2025/02/open-source-ai-innovation-deepseek/EU AI Act overview: https://digital-strategy.ec.europa.eu/en/policies/european-approach-artificial-intelligence
(00:00) - The Debate on AI Development: Open vs Closed
(05:51) - Understanding Open Source vs Closed Source AI
(11:55) - The Economics of AI Models
(17:47) - Trust and Transparency in AI
(23:43) - The Future of AI Governance and Global Impact

4 snips
Jun 18, 2025 • 1h 2min
Betting Early on Zoom, Canva, and Crypto: Inside the Playbook of Visionary Solo VC Bill Tai
Legendary technologist and investor Bill Tai joins our latest episode for a wide-ranging conversation spanning decades of Silicon Valley innovation. Bill shares his remarkable journey from being employee #1 at TSMC to becoming one of the first seed investors in Zoom and Canva, and his early embrace of Bitcoin when it was priced at just 7 cents.The conversation explores Bill's unique investment philosophy shaped by mentorship from Don Valentine of Sequoia Capital, his innovative approach to building entrepreneurial communities through kiteboarding, and his insights into the intersection of AI, energy infrastructure, and cryptocurrency. Bill discusses the massive energy crisis facing AI data centers, drawing parallels to the telecom infrastructure buildout of the 1980s.From his early days as a kid reverse-engineering electronics to his current role as Chairman of Hut Eight Mining and his partnership with the Trump organization on American Bitcoin Corp, Bill provides invaluable insights into recognizing structural market changes and backing the right entrepreneurs and emerging technologies at the right time.LinksLearn more about Bill’s blockchain companies Hut Eight Mining and BITFURY - Hut 8 Corp, BITFURYBill’s original tweet from 2010 about the potential of bitcoin: https://www.instagram.com/p/Bb7QQ8GHN12/?igsh=NTc4MTIwNjQ2YQ%3D%3D Read Bill’s founding stories on Zoom and Canva: https://medium.com/@billtai/30b-stress-test-on-necker-island-814553c7f520Bill’s early memo detailing his conviction about Zoom’s technology: https://www.instagram.com/p/BwcaZjFpNrs/?igsh=NTc4MTIwNjQ2YQ== Article: Design start-up Canva raises $3 million after kitesurfing in Hawaii: https://www.smartcompany.com.au/startupsmart/design-start-up-canva-raises-3-million-after-kitesurfing-in-hawaii Canva now tops the list of most popular AI tools: https://explodingtopics.com/blog/most-popular-ai-tools Learn about TSMC's history - Taiwan SemiconductorRead the article that changed Bill’s life - Secrets of the Little Blue BoxMore fun items mentioned during the discussion2600 Hacker Quarterly: https://www.2600.com/The Cap’N Crunch whistle used by early hackers: https://www.atlasobscura.com/articles/capn-crunch-whistleThe Radio Shack 100-in-one electronics kit: https://www.rcgrabbag.com/radio-shack-100-in-1-electronic-project-kit/
(00:00) - The AI Data Center Dilemma
(00:46) - Introduction to Tech Surge Deep Tech Podcast
(01:23) - Spotlight on Bill Tai: A Legendary Technologist and Investor
(03:41) - Bill Tai's Daily Routine and Passion for Kiteboarding
(06:06) - The Birth of Ma Tai Global: A Community of Innovators
(11:44) - The Journey of Zoom: From Concept to Success
(20:07) - The Rise of Canva: From Fusion Books to a Global Powerhouse
(26:12) - Blockchain and Crypto: The Future of Decentralized Finance
(32:13) - Bitcoin Mining Industry Insights
(33:08) - The Evolution of Hut 8
(34:30) - Energy Challenges and AI Infrastructure
(35:55) - The Future of Energy and AI
(36:45) - Telecommunications and AI Parallels
(40:25) - The Role of Bitcoin in Modern Economy
(43:53) - Hut 8's Strategic Moves
(47:48) - Reflections on a Career in Tech
(57:19) - Rapid Fire Questions and Closing Thoughts

Jun 5, 2025 • 52min
Blueprint for an AI Future: OpenAI Chief Economist on How AI Will Shape the Global Economy
Will AI displace more jobs than it creates? How can the U.S. win the AI race? How can AI benefits be evenly distributed across businesses and society?We explore these questions and more as Sriram Viswanathan sits down with Ronnie Chatterji, Chief Economist at OpenAI, for an in-depth exploration of AI's economic impact and policy implications. Ronnie brings a unique perspective, having served as an economic advisor in both the Obama and Biden administrations as a senior economist, supply chain advisor, and architect of the CHIPS Act.The conversation dives into the economic opportunities and challenges of AI adoption, from productivity gains and job market transformation to the critical need for workforce retraining and AI upskilling in schools. Ronnie also delves into America's competitive position in the global AI race, the critical need for infrastructure investment in order to continue scaling this emerging technology, and the lessons learned from implementing major industrial policy like the CHIPS Act.Links:Learn more about OpenAI's economic research and policy work - OpenAIRead OpenAI's Economic Blueprint for the US - OpenAI’s Economic BlueprintExplore the CHIPS and Science Act - CHIPS.govRonnie Chatterji's academic work at Duke University - Duke Fuqua School of Business
(00:00) - The Expanding Role of AI in Human Agency
(02:36) - Economic Implications of AI and Job Market Dynamics
(08:43) - Opportunities and Challenges in Labor with AI
(13:49) - Preparing Future Generations for an AI-Driven World
(19:15) - Ensuring Equitable Access to AI Technology
(23:07) - Infrastructure Development for AI Growth
(25:25) - Geopolitical Considerations in AI Development
(28:05) - Global Collaboration in AI Development
(31:07) - The EU's AI Regulatory Framework
(35:04) - The Chips Act: Vision and Implementation
(39:02) - AI Investment Landscape
(42:04) - Global Perspectives on AI: Insights from India and China
(45:36) - Misconceptions and Future of AI Education

May 22, 2025 • 48min
Inside Nokia’s Strategy: CSTO Nishant Batra on Telecom’s Future, Brand Reinvention, and Betting on Bell Labs
In this episode of TechSurge, host Sriram Viswanathan sits down with Nishant Batra, Chief Strategy and Technology Officer at Nokia, for a deep dive into the evolving landscape of telecom and wireless technology. Nishant shares insights into the seismic shifts transforming network infrastructure—from core networks to edge computing—and discusses how Nokia leverages artificial intelligence to optimize performance and drive innovation. The conversation also highlights Nokia's unique innovation framework, spanning its corporate venture investments, internal incubator, and expansion of the legendary Bell Labs. Today Nokia leverages Bell Labs’ groundbreaking research into emerging technology for internal innovation and new venture spinouts in collaboration with venture capital firms, including recently announced inaugural spinout startup, Astranu.Links:Discover the groundbreaking Nokia-Celesta spinout advancing healthcare imaging technology - Astranu Learn about the legendary innovation powerhouse - Nokia Bell Labs
(00:00) - The Genesis of Nokia and Bell Labs
(01:02) - Introduction to Tech Surge Deep Tech Podcast
(02:43) - Nokia's Storied History and Evolution
(03:48) - Nokia's Technological Innovations and Market Presence
(09:12) - The Impact of the iPhone and Mobile Data Tsunami
(14:52) - Understanding Open RAN, Cloud RAN, and AI RAN
(21:28) - Fragmentation and Integration in Telecom Networks
(25:09) - Market Share Analysis of Telecom Giants
(25:46) - Nokia Bell Labs: A Legacy of Innovation
(27:56) - Bell Labs' Global Impact and Future Plans
(30:33) - Commercializing Bell Labs Innovations
(37:03) - Nokia's Venture and Incubation Strategies
(44:44) - Exciting Technologies and Leadership Insights
(47:11) - Conclusion

May 8, 2025 • 40min
Leading Through Chaos: John Chambers on Tariffs, Cyber Threats, & the AI Supercycle
Competition, growth, tariffs, hacks, AI – what does it take to be an effective leader today? John Chambers, former CEO and Executive Chairman of Cisco and founder of JC2 Ventures, joins TechSurge host Sriram Viswanathan to share valuable wisdom on leading and growing businesses through times of significant change. As a leader who has transitioned from the c-suite to venture capital and now mentoring founders in emerging technology sectors, John has seen it all. He shares lessons from his time leading one of the world’s most influential networking companies at Cisco (the most valuable company in the world at the time), revealing what he learned while growing it from a challenger networking company into a $50 billion tech powerhouse, sharing how Cisco achieved and maintained its market leadership, particularly his bold M&A strategies. John offers hard‑won insights on navigating major technology shifts in AI, cloud, security, and more. Today’s founders and executives will find practical frameworks, real‑world war stories, and counterintuitive advice to help survive and thrive in an era of continual disruption. If you enjoy this episode, please subscribe and leave us a review on your favorite podcast platform. Sign up for our newsletter at techsurgepodcast.com for exclusive insights and updates on upcoming TechSurge Live Summits.Links:Explore John Chambers' family office and venture firm at JC2 VenturesRead John Chambers' book “Connecting the Dots” on AmazonDiscover the organization John chaired for eight years US-India Strategic Partnership ForumLearn about the company John and Sriram have invested in together at ParkourSCFind out about the deep fake detection company Pin DropLearn about the cybersecurity company Rubrik
(00:00) - Navigating the AI Revolution
(03:03) - The Genesis of JC2 Ventures
(05:45) - Investment Philosophy and Market Transitions
(09:08) - The Role of Customer Feedback in Innovation
(11:54) - Building Companies for IPO vs. Acquisition
(15:04) - The Importance of Management and Culture
(17:51) - AI's Impact on Business and Society
(20:54) - Global Economic Trends and Strategic Partnerships
(24:08) - Cybersecurity in the Age of AI
(27:00) - The Future of AI and Global Cooperation
(30:10) - Challenges and Opportunities in the Tech Landscape
(32:45) - Key Traits of Successful Tech Leaders

4 snips
Apr 24, 2025 • 42min
China, Funding Cuts, & Campus Controversy: Is U.S. Tech Leadership Falling Behind?
Dr. Rafael Reif, the former President of MIT and an advocate for technology policy, dives into key discussions about U.S. tech competitiveness. He emphasizes universities as innovation engines while warning about the rapid rise of China’s research output. Reif highlights the dangers of restrictive immigration policies and the need for renewed federal R&D funding. He also addresses the importance of domestic semiconductor manufacturing and shares insights on creating funding avenues for 'tough tech' startups, showcasing MIT's The Engine incubator.

Apr 10, 2025 • 48min
Inside Microsoft's Trillion Dollar Playbook with Chief Strategy Officer Bobby Yerramilli-Rao
Bobby Yerramilli-Rao, Chief Strategy Officer at Microsoft, joins TechSurge host Sriram Viswanathan to offer a rare glimpse into the strategic playbook of one of the world’s most powerful tech companies. Bobby shares how the company navigates today’s biggest technology paradigm shifts, placing bets with trillion-dollar implications. Touching on Microsoft’s AI strategy, OpenAI partnership, quantum computing, its approach to acquisitions, and much more, this candid and wide-ranging conversation is not to be missed. If you enjoy this episode, please subscribe and leave us a review on your favorite podcast platform. Sign up for our newsletter at techsurgepodcast.com for exclusive insights and updates on upcoming TechSurge Live Summits.
(00:00) - The Nature of Technology and AI's Economic Impact
(03:01) - Strategic Priorities at Microsoft
(05:45) - Strategic Inflection Points and Microsoft's History
(09:03) - The Importance of Timing in Strategic Decisions
(11:48) - Gaming and Content Strategy
(14:57) - Acquisition Successes and Failures
(17:50) - Leveraging LinkedIn and GitHub
(20:50) - AI's Potential Economic Impact
(23:52) - Monetizing AI Innovations in Microsoft Office
(25:59) - Investing in AI: The New CAPEX Landscape
(31:01) - Quantum Computing: Hype vs. Reality
(37:44) - The Future of AI and Quantum Integration
(39:18) - The Semiconductor Landscape: Lessons from the Past
(43:30) - Genomics and Life Sciences: Opportunities Ahead
(45:50) - Autonomous Driving: The Future of Mobility

Apr 1, 2025 • 59min
Scaling the AI Era: Next-Gen Data Storage Solutions with Pure Storage CEO Charlie Giancarlo
In this episode of TechSurge, host Sriram Viswanathan sits down with Charlie Giancarlo, Chairman and CEO of Pure Storage, to discuss the evolution and future of data storage in the digital age. Charlie shares insights from his career spanning his pivotal role in Cisco's success as a networking pioneer, to his leadership in transforming Pure Storage into a leader in innovative storage solutions.They explore the evolution of data center infrastructure, and the critical role of storage architecture in enabling AI and cloud technologies. Charlie also explains how Pure Storage's software-driven approach is creating new efficiencies and opportunities for enterprises, offering a compelling vision for a unified "data cloud" that breaks down data silos and unlocks new insights.This episode delves into the intersections of networking, compute, storage, and AI, providing an essential perspective for anyone interested in the future of technology infrastructure.If you enjoy this episode, please subscribe and leave us a review on your favorite podcast platform. Sign up for our newsletter at techsurgepodcast.com for exclusive insights and updates on upcoming TechSurge Live Summits.Links:Pure Storage Official Website: Explore Pure Storage's innovative data storage solutions. Pure Storage DataCharlie Giancarlo's Biography: Learn more about Charlie Giancarlo, Chairman and CEO of Pure Storage. Charlie GiancarloPortworx by Pure Storage: Discover Portworx, the Kubernetes data services platform acquired by Pure Storage. Wikipedia Portworx ASBIS – IT DistributorFlashBlade//EXA Announcement: Read about Pure Storage's FlashBlade//EXA, designed for high-performance computing and AI workloads. FlashBlade//EXA: The Future of AI and HPC Storage Performance

Mar 13, 2025 • 42min
Why AI Isn't Ready to Make Medicines
Many in venture capital and biopharma are anointing artificial intelligence the savior of drug discovery—but what can AI actually do?In this eye-opening episode, Michael Marks sits down with Mike Nohaile, CEO of Prellis Biologics, to explore the hype versus reality in AI-enabled drug discovery. Mike details why, despite significant breakthroughs like AlphaFold and recent Nobel Prize win for computational protein design, fully AI-generated medicines still present challenges. He also discusses why we urgently need more effective medicines and details Prellis’ unique system which combines laser printed human organoids and an externalized human immune system with AI, enabling the discovery of fully human antibodies. If you enjoy this episode, please subscribe and leave us a review on your favorite podcast platform. Sign up for our newsletter at techsurgepodcast.com for exclusive insights and updates on upcoming TechSurge Live Summits.Links:Explore Prellis Biologicshttps://prellisbio.com/Understand AlphaFold, DeepMind’s AI model for predicting protein structureshttps://deepmind.google/alphafoldRead about the 2024 Nobel Prize in Chemistry https://www.nobelprize.org/prizes/chemistry/2024/press-release/
(00:00) - The Reality of AI in Drug Discovery
(03:05) - The Need for Better Medicines
(06:05) - Evolution of Pharmaceutical Therapies
(08:55) - Challenges in Protein Drug Discovery
(12:13) - AI's Role in Protein Design
(14:46) - Limitations of AI in Drug Development
(17:58) - Understanding Protein Structures
(20:54) - The Future of AI in Medicine
(22:36) - The Challenges of Drug Development
(29:44) - Innovations in Antibody Production
(35:01) - Advancements in Obesity Treatments
(39:54) - The Future of Drug Discovery

Feb 27, 2025 • 1h 15min
Understanding the Elegant Math Behind Modern Machine Learning
Artificial intelligence is evolving at an unprecedented pace—what does that mean for the future of technology, venture capital, business, and even our understanding of ourselves? Award-winning journalist and writer Anil Ananthaswamy joins us for our latest episode to discuss his latest book Why Machines Learn: The Elegant Math Behind Modern AI.Anil helps us explore the journey and many breakthroughs that have propelled machine learning from simple perceptrons to the sophisticated algorithms shaping today’s AI revolution, powering GPT and other models. The discussion aims to demystify some of the underlying mathematical concepts that power modern machine learning, to help everyone grasp this technology impacting our lives–even if your last math class was in high school. Anil walks us through the power of scaling laws, the shift from training to inference optimization, and the debate among AI’s pioneers about the road to AGI—should we be concerned, or are we still missing key pieces of the puzzle? The conversation also delves into AI’s philosophical implications—could understanding how machines learn help us better understand ourselves? And what challenges remain before AI systems can truly operate with agency?If you enjoy this episode, please subscribe and leave us a review on your favorite podcast platform. Sign up for our newsletter at techsurgepodcast.com for exclusive insights and updates on upcoming TechSurge Live Summits.Links:Read Why Machines Learn, Anil’s latest book on the math behind AIhttps://www.amazon.com/Why-Machines-Learn-Elegant-Behind/dp/0593185749Learn more about Anil Ananthaswamy’s work and writinghttps://anilananthaswamy.com/Watch Anil Ananthaswamy’s TED Talk on AI and intelligencehttps://www.ted.com/speakers/anil_ananthaswamyDiscover the MIT Knight Science Journalism Fellowship that shaped Anil’s AI researchhttps://ksj.mit.edu/Understand the Perceptron, the foundation of neural networkshttps://en.wikipedia.org/wiki/PerceptronRead about the Perceptron Convergence Theorem and its significancehttps://www.nature.com/articles/323533a0
(00:00) - The Future of AI: Agency and Exponential Growth
(01:03) - Introduction to Machine Learning and AI Concepts
(04:50) - The Journey of Writing 'Why Machines Learn'
(10:07) - Understanding the Perceptron and Its Significance
(13:40) - The Evolution of Neural Networks and AI Winters
(19:35) - Backpropagation: The Game Changer in Neural Networks
(29:51) - Convolutional Neural Networks: Advancements in Image Recognition
(35:20) - The Impact of Large Datasets on Machine Learning
(38:12) - Understanding Perceptrons and SVMs
(41:39) - The Impact of ImageNet on Machine Learning
(44:44) - The Evolution of GPUs in AI
(48:09) - Transformers: A New Era in Neural Networks
(54:21) - The Exponential Growth of AI Models
(01:01:21) - Diverging Views on AGI: Hinton vs. LeCun
(01:05:08) - The Common Thread in Anil's Work
(01:09:40) - Future Disruptions in AI and Machine Learning


