ACM ByteCast

• Henrique Malvar - Episode 71

  In this episode of ACM ByteCast, Rashmi Mohan hosts Henrique Malvar, a signal processing researcher at Microsoft Research (Emeritus). He spent more than 25 years at Microsoft as a distinguished engineer and chief scientist, leading the Redmond, Washington lab (managing more than 350 researchers). At Microsoft, he contributed to the development of audio coding and digital rights management for the Windows Media Audio, Windows Media Video, and to image compression technologies, such as HD Photo/JPEG XR formats and the RemoteFX bitmap compression, as well as to a variety of tools for signal analysis and synthesis. Henrique is also an Affiliate Professor at the Electrical and Computer Engineering Department at the University of Washington and a member of the National Academy of Engineers. He has published over 180 articles, has been issued over 120 patents, and has been the recipient for countless awards for his service. Henrique explains his early love of electrical engineering, building circuits from an early age growing up in Brazil, and later fulfilling his dream of researching digital signal processing at MIT. He describes his work as Vice President for Research and Advanced Technology at PictureTel, one of the first commercial videoconferencing product companies (later acquired by Polycom) and stresses the importance of working with customers to solve a variety of technical challenges. Henrique also shares his journey at Microsoft, including working on videoconferencing, accessibility, and machine learning products. He also offers advice to aspiring researchers and emphasizes the importance of diversity to research and product teams.

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• Kate Kallot - Episode 70

  In this episode of ACM ByteCast, our special guest host Scott Hanselman (of The Hanselminutes Podcast) welcomes Kate Kallot, founder and CEO of Amini, an impact-driven AI company based in Nairobi, which focuses on the critical issue of data scarcity in Africa and its implications for AI development. Before Amini, her career spanned leadership positions at global tech companies, including NVIDIA, where she led global developer relations and expansion into emerging markets, and Arm, where she was a pivotal figure in the Tiny Machine Learning (TinyML) movement. At Intel, she led the development of the world’s first AI development kit in a USB form factor, the Neural Compute Stick, bringing computer vision and Al to IoT and edge devices to millions for the first time. Kate is a recognized expert and influencer in the AI field, advising international organizations and governments on the potential and challenges of AI for good. Her work has been recognized by TIME’s 100 Most Influential People in AI, the World Economic Forum as a Tech Pioneer, and One Young World as Entrepreneur of the Year 2024. A trusted voice in global AI policy and digital equity, Kate serves as Vice Chair of the ICC Global Environmental and Energy Commission and is a member of EY’s Global AI Advisory Council. In the interview, Kate explains the barriers to AI adoption in Africa, stemming from challenges with digital and environmental data infrastructure. She shares her work collecting and validating data in key areas such as climate and agriculture through state-of-the-art technologies and partnerships with private companies, using a bottom-up approach. Kate and Scott also talk about Amini’s commitment to open source and community collaboration in areas such as geospatial data science, and the global applications of Amini’s work in Africa to other geographies with similar characteristics. We want to hear from you!

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• Michael J. Freedman - Episode 69

  In this episode of ACM ByteCast, Rashmi Mohan hosts ACM Fellow Michael J. Freedman, Robert E. Kahn Professor of Computer Science at Princeton University and co-Founder and CTO of Timescale. Michael’s research interests are in distributed systems, networking, and security. Over the course of his student and professional career, he designed and operated the Coral Content Distribution Network, a peer-to-peer content distribution network; co-founded (with Martin Casado) Illuminics Systems, an IP analytics company; and designed TimescaleDB and JetStream. His many honors and recognitions include the 2018 ACM Grace Murray Hopper Award, Presidential Early Career Award for Scientists and Engineers, and SIGOPS Mark Weiser Award. Michael shares what drew him to computer science, highlighting the value of initiative and gumption as an undergraduate student, and how he became interested in security and privacy, working on peer-to-peer systems before cloud computing became ubiquitous. He discusses his work on Coral CDN during his PhD research, applying research outcomes to build scalable systems and learning to harness customer feedback good user experience. Michael also talks extensively about Timescale, one of the fastest databases for real-time analytics, or time series data, and explains the roles of CTO and head engineer at a technology company.

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• Peter Lee - Episode 68

  In this episode of ACM ByteCast, our special guest host Scott Hanselman (of The Hanselminutes Podcast) welcomes ACM Fellow Peter Lee, President of Microsoft Research. As leader of Microsoft Research, Peter incubates new research-powered products and lines of business in areas such as AI, computing foundations, health, and life sciences. Before Microsoft, he established a new technology office that created operational capabilities in ML, data science, and computational social science at DARPA, and before that he was head of the CS department at CMU. Peter served on President Obama’s Commission on Enhancing National Cybersecurity and has testified before both the US House Science and Technology Committee and the US Senate Commerce Committee. He coauthored the bestselling book The AI Revolution in Medicine: GPT-4 and Beyond. In 2024, he was named by Time magazine as one of the 100 most influential people in health and life sciences. In the interview, Peter reflects on his 40+ years in computer science, from working on PDP-11s and Commodore Amigas to modern AI advancements. He highlights how modern technologies, built on decades of research, have become indispensable. He also talks about his healthcare journey, including work that earned him election to the National Academy of Medicine, and the potential (and limitations) of AI in medicine. Peter and Scott touch on the impact of LLMs, the lack of ethics education in traditional CS curricula, the challenges posed by growing AI complexity. Peter also highlights some important Microsoft Research work in AI for Science and Quantum Computing.

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• Mary Lou Jepsen - Episode 67

  In this episode of ACM ByteCast, our special guest host Scott Hanselman (of The Hanselminutes Podcast) welcomes Mary Lou Jepsen, CEO and Founder of Openwater, a technical executive and inventor in the fields of display, imaging, and computer hardware with about 300 patents published or issued to her name. She founded and led two moonshots at Google X and was later an executive at Facebook/Oculus VR. Prior to this, she was a professor at the MIT Media Lab, where she co-founded and was the first CTO of One Laptop per Child (OLPC), and later founded Pixel Qi in Taipei, Taiwan, focused on the design and manufacture of displays. Jepsen has been named as one of the 100 most influential people in the world by Time Magazine (“Time 100”), CNN’s top “10 thinkers” in science and technology and has won numerous awards numerous from professional societies in the fields of optics, display, and electronics. She’s a frequent keynote speaker, has given two highly viewed TED talks, and is frequently featured in top global press publications. Mary Lou discusses her work with Openwater, a startup working on innovative imaging technology using infrared light, ultrasound, and electromagnetics to diagnose and potentially treat diseases, and aims to leapfrog traditional drug development. She and Scott talk about the role of patents in manufacturing, and regulatory and technological barriers in healthcare innovation. They also dive into the advantages of the company’s open-source model, both for its software and hardware designs. Mary Lou highlights some of their breakthroughs, including stroke detection and non-invasive cancer treatment. She also talks about reducing cost and scaling production, next steps in clinical trials, and future possibilities with open source.

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