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John Rydning

Research Vice President, Hard Disk Drives and Semiconductors

John Rydning

Research Vice President, Hard Disk Drives and Semiconductors

John Rydning is IDC's research vice president for hard disk drives. Mr. Rydning has developed a reputation for his depth and breadth of knowledge about the HDD industry, and particularly about underlying market and industry dynamics. Mr. Rydning provides valuable insight and analysis on the hard disk drive industry for HDD industry participants, HDD customers, and investors worldwide. Additionally, Mr. Rydning provides custom research and consulting on storage technology trends, product requirements, storage market opportunities, and marketing strategies for IDC's clients.


Mr. Rydning began his work in the IT industry at a small IT manufacturing company, and later spent 18 years at Hutchinson Technology, a major HDD component supplier.  Overall, Mr. Rydning has more than 25 years of IT industry experience, and is a frequent speaker at storage industry trade events and conferences around the world. In 2010, Mr. Rydning was a recipient of IDC’s most prestigious research award for his professional excellence in market research.


  • Bachelors of science degree from the Carlson School of Management at the University of Minnesota.


Western Digital Announces a Breakthrough HDD Technology

Oct 2017 - IDC Link - Doc # lcUS43156317

by: John Rydning

Western Digital (WD) announced a technical breakthrough innovation for microwave assist magnetic recording (MAMR) technology for hard disk drives (HDDs). WD also announced plans to commercialize MAMR technology in HDD products in volume by ...
Worldwide Hard Disk Drive 3Q17 Preliminary Shipment Results

Oct 2017 - Market Perspective - Doc # US43150017

by: John Rydning

This IDC Market Perspective provides a preliminary unit shipment range for worldwide hard disk drive (HDD) units by HDD class and estimated supplier market share for 3Q17."The HDD industry experienced steady demand for HDDs from PC customer...
IDC Market Glance: Video Surveillance, 3Q17

Sep 2017 - Market Presentation - Doc # US43107517

by: Max PepperJohn RydningRon Glaz

This IDC Market Glance provides a current makeup of the video surveillance market. It depicts the market segments and some of the leading vendors associated with each segment.
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