Heejin Chung

SVP, Head of Venture Investment, SK hynix America

📍 San Jose, California, United States🔄 Updated September 2026💼 24 investments📅 10 years investing🗓 Last invested Jul 2026
VC🌍 United States20+ investmentsInvested this quarter
24
Total investments
3
Early stage
7
Mid stage
9
Late stage
10y
Years active

Portfolio

20 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor
Jul 2026
Frontier Inference Clusters
Investor
Apr 2026
Pioneering system-level innovations that deliver breakthrough efficiency for data center-scale inference serving.
Board Observer
Feb 2026
Founded in 2016 and headquartered in Barcelona, Semidynamics is an advanced computing company with a team of over 150 employees. The company is dedicated to the productization of high-performance silicon, system engineering, and software enablement to meet the global demand for scalable AI infrastructure.
late stageSemiconductors
Investor
Jul 2025
Fabric8Labs, Inc. is revolutionizing metal additive manufacturing with its advanced 3D printing technologies. Founded in 2015, the San Diego-based company is at the forefront of advanced manufacturing and is commercializing breakthroughs in material science and processing - reducing manufacturing costs and supporting significant advancements in material quality and manufacturing capabilities. Fabric8Labs is working to broaden the market for metal additive manufacturing across all industries.
Investor
Dec 2024
Semiconductor interconnects
Board Observer
Apr 2024
Eliyans mission is to revolutionize chiplet connectivity technologies by challenging the status quo to unleash the ultimate performance of smart systems of the future.
Board Observer
Aug 2022
Movellus Aeonic™ IP delivers chip-level architectural innovations to improve system performance through feature-rich, synthesizable IP. Aeonic is a Digital IP platform that solves system-level challenges in areas including power and performance optimization and monitoring in a manner that is configurable, synthesizable and process portable. The foundation of Aeonic is Movellus’ core expertise in converting traditionally analog functions into the digital domain and combining this with system-level knowledge to solve customer problems while providing those customers R&D leverage, flexibility, programmability and high degrees of observability as well as testability driven by a digital first approach. Founded in 2014, Movellus is headquartered in Sunnyvale , California.
Investor
Jan 2022
To make AI inference commercially viable, d-Matrix has built a new computing platform from the ground up: Corsair™, the world’s most efficient compute solution for AI inference at datacenter scale. We are redefining Performance and Efficiency for AI Inference at scale.
Board Observer
Nov 2021
Elastics.cloud, Inc. is a semiconductor, hardware and software systems company embarking on a long-term vision of enabling composable architectures. As requirements continue to rise for improved component utilization and overall system performance, more flexible solutions are required to address a heterogeneous workload environment. In an emerging tiered data center model, scalability and TCO are the critical factors needed to be addressed by low-latency processing. We are a next-generation infrastructure company addressing a very large $800 billion dollar market composed of on-prem, edge data center, and core data center equipment.
Board Observer
Sep 2021
Bigstream provides hyperacceleration technology for popular big data processing engines like Apache Spark using both hardware and software accelerators. Hyperacceleration of big data, machine learning and AI workloads is achieved using advanced compiler techniques and transparent support for FPGAs, many-core CPUs and GPUs. Unlike other hardware- or platform-specific approaches, Bigstream delivers orders of magnitude performance acceleration instantly and with no application code changes or special APIs.
Investor
Jul 2021
Sonatus is accelerating vehicle software innovation and the transition towards software-defined vehicles. Our platforms and products serve as the key building blocks that allow automotive companies and their ecosystem to innovate faster and deliver continuous improvements in costs, capabilities, reliability, and user experience over the vehicle lifespan. Sonatus’ award-winning software platform is in mass production vehicles from Hyundai, Kia, and Genesis today and will grow to millions of cars by 2024. The company has raised more than $110 million USD with world-class automotive, technology, and venture investors including Foxconn, Hyundai Motor Group’s Kia Corporation, LG Electronics, Marvell, SAIC Capital, Translink Capital, UMC Capital, and Wanxiang Group Company. Sonatus is headquartered in Sunnyvale, CA (Silicon Valley), with offices in Paris, Shanghai, Seoul and Tokyo. Sonatus is a trademark of Sonatus, Inc. For more information visit www.sonatus.com.
Board Observer
Nov 2020
FMC is a leading semiconductor and memory chip company based in Dresden, founded in 2016 to develop a revolutionary memory chip technology. Based on the thin-film material hafnium oxide, the company has created a new class of memory cells with its DRAM+ chip – more sustainable, faster, and cost-efficient. Thanks to its extremely low power consumption, the technology significantly reduces the energy demand of AI data centers, laying the foundation for their scale-up in Europe and worldwide. FMC is now a fabless company, meaning it designs, develops, and markets its own products while outsourcing production to contract manufacturers (chip foundries). FMC is backed by investors including HV Capital, the DeepTech & Climate Fund (DTCF), Vsquared Ventures, eCAPITAL, Bosch Ventures, Air Liquide Venture Capital, M Ventures (Merck), Verve Ventures, Korean memory chip company SK hynix, semiconductor equipment manufacturer TEL, and other international investors. The company is led by CEO Thomas Rückes. For more information, visit ferroelectric-memory.com
Board Observer
Apr 2020
TetraMem is developing cutting-edge analog computing solutions for AI applications, offering exceptional performance with ultra-low power consumption.
Board Observer
Feb 2020
Generative AI has taken the world by a storm, creating a boom for GPUs, High Bandwidth Memory (HBM) and Compute Express Link (CXL) memory. At this pivotal moment, MemVerge has built a Big Memory Computing Platform that continuously right sizes computing and memory resources for AI workloads. The platform consists of software suites that optimize performance, cost and availability of applications running in the public cloud and hybrid cloud. For the public cloud, Memory Machine™ Cloud is a new cloud automation platform that intelligently manages workloads on public cloud. By dynamically adapting cloud resources to real-time application needs and enabling all applications to run reliably on spot instances, Memory Machine Cloud delivered an order-of-magnitude higher resource efficiency for users such as Translational Genomics Research Institute (TGen), European Bioinformatics Institute (EBI), and Seekgene. The software also features real-time tracking of cloud resources and carbon footprint needed for the future of sustainable IT. The advent of CXL is a giant step towards removing the fundamental "memory wall" bottlenecking AI applications today. CXL technology gives AI apps desperately needed memory bandwidth and capacity while driving down costs with composable memory that can be shared. Partnering closely CXL leaders such as Samsung, SK hynix and Micron, award-winning MemVerge software for CXL enables applications to access pools of memory without modifying applications, while providing optimal performance and cost. MemVerge software for CXL also offers data services, such as an application checkpointing service, ensuring uninterrupted application availability, with full integration into Kubernetes. To learn more about MemVerge, visit our official website: www.memverge.com
Board Observer
Jun 2019
We build switched-capacitor power ICs with worlds highest efficiencies. With 10+ years of switched-capacitor power IC R&D experience, we invented proprietary architectures and technologies to achieve > 98% efficiencies. We have shipped tens of millions of charger IC and DC/DC products to major mobile customers. Acquired by Cirrus Logic in July, 2021.
Show all 20 investments ↓
Experience · 25 entries
All (25)
Investments (24)
Board (18)
2026
Investor
Jul 2026
Frontier Inference Clusters
Investor
Apr 2026
Pioneering system-level innovations that deliver breakthrough efficiency for data center-scale inference serving.
Board Observer
Feb 2026
Founded in 2016 and headquartered in Barcelona, Semidynamics is an advanced computing company with a team of over 150 employees. The company is dedicated to the productization of high-performance silicon, system engineering, and software enablement to meet the global demand for scalable AI infrastructure.
late stageSemiconductors
2025
Board Observer
Dec 2025
Infinitesima was spun out of the University of Bristol in 2001 and has been developing innovative metrology solutions which improve speed and precision in the manufacture of semiconductors. The company’s technology combines the 3-dimensional surface detection capability of atomic force microscopy (AFM), with high-speed laser activation and the accuracy of interferometry. The Rapid Probe Microscope (RPM™) is protected by an extensive patent portfolio. The company’s RPM™ technology is being used by leading semiconductor equipment companies globally. Semiconductor devices provide the foundations on which progress in the technology sector are enabled. From Smartphones to Artificial Intelligence, 5G communications to autonomous vehicles, all are made possible through advances in semiconductor processes. Scaling these processes requires sub-nanometer measurement of increasingly complex 3D structures to enable more powerful devices. Based in Abingdon, UK, we are a high calibre team of 80 people and continue to grow. We are backed by global financial and industry investors including Applied Ventures, the strategic venture arm of the industry leading equipment company.
Investor
Jul 2025
Fabric8Labs, Inc. is revolutionizing metal additive manufacturing with its advanced 3D printing technologies. Founded in 2015, the San Diego-based company is at the forefront of advanced manufacturing and is commercializing breakthroughs in material science and processing - reducing manufacturing costs and supporting significant advancements in material quality and manufacturing capabilities. Fabric8Labs is working to broaden the market for metal additive manufacturing across all industries.
Show all 25 entries ↓
Investment activity
2016–2026 · 24 investments
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