In automotive radar we saw a rapid transition from GAAs based mm-Wave frontends to SiGe bipolar or BiCMOS solutions in the past 5 years which made radar affordable for almost everyone and opened the way for broad application of radar based ADAS even in the low- and mid-end car segments. Autonomous driving will further push market penetration and number of radar sensors per car, which will in turn increase the cost pressure on the whole supply chain. One way to cope with that challenge will on the semiconductor side certainly lead to increased usage of pure CMOS “mmW-systems-on-chip” (MMSoCs instead of MMICs) for certain high-volume radarapplications. The workshop will give a comprehensive overview of most recent developments in Silicon-based semiconductor technologies, MMIC design and mm-Wave packaging technologies.