Stephen Kelley
Chief Executive Officer at ADVANCED ENERGY INDUSTRIES, INC.
Net worth: 10 M $ as of 2024-05-30
Profile
Stephen Douglas Kelley is currently the President, Chief Executive Officer & Director at Advanced Energy Industries, Inc. He is also an Independent Director at Onto Innovation, Inc. Previously, he served as the President, Chief Executive Officer & Director at Amkor Technology, Inc. from 2013 to 2020.
Before that, he was the Chief Executive Officer at Scio Diamond Technology Corp.
in 2012 and the VP, General Manager-Standard Linear & Logic Group at Texas Instruments Incorporated from 2003 to 2008.
He also held the position of Chief Operating Officer & Executive Vice President at Wolfspeed, Inc. from 2008 to 2011 and Senior Vice President & General Manager at Philips Semiconductors, Inc. from 1993 to 2003.
Additionally, he has served as a Director at the Global Semiconductor Alliance and Switch Bulb Co., Inc. Mr. Kelley completed his undergraduate degree at the Massachusetts Institute of Technology and his graduate degree at Santa Clara University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2024-03-15 | 82,083 ( 0.22% ) | 9 M $ | 2024-05-30 | |
ONTO INNOVATION, INC.
0.01% | 2024-05-21 | 3,509 ( 0.01% ) | 760 400 $ | 2024-05-30 |
Stephen Kelley active positions
| Companies | Position | Start |
|---|---|---|
| ADVANCED ENERGY INDUSTRIES, INC. | Chief Executive Officer | 2021-02-28 |
| ONTO INNOVATION INC. | Director/Board Member | 2023-01-23 |
Former positions of Stephen Kelley
| Companies | Position | End |
|---|---|---|
| AMKOR TECHNOLOGY, INC. | Chief Executive Officer | 2020-06-16 |
| SCIO DIAMOND TECHNOLOGY CORPORATION | President | 2013-01-31 |
| WOLFSPEED, INC. | Chief Operating Officer | 2011-10-17 |
| TEXAS INSTRUMENTS INCORPORATED | Corporate Officer/Principal | 2007-12-31 |
Philips Semiconductors, Inc.
 Philips Semiconductors, Inc. SemiconductorsElectronic Technology Part of Koninklijke Philips NV, Philips Semiconductors, Inc. is an American company that manufactures semiconductors. | Corporate Officer/Principal | 2002-12-31 |
Training of Stephen Kelley
| Massachusetts Institute of Technology | Undergraduate Degree |
| Santa Clara University | Graduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 5 |
|---|---|
| WOLFSPEED, INC. | Electronic Technology |
| TEXAS INSTRUMENTS INCORPORATED | Electronic Technology |
| AMKOR TECHNOLOGY, INC. | Electronic Technology |
| ADVANCED ENERGY INDUSTRIES, INC. | Electronic Technology |
| ONTO INNOVATION INC. | Electronic Technology |
| Private companies | 4 |
|---|---|
Philips Semiconductors, Inc.
Philips Semiconductors, Inc. SemiconductorsElectronic Technology Part of Koninklijke Philips NV, Philips Semiconductors, Inc. is an American company that manufactures semiconductors. | Electronic Technology |
Scio Diamond Technology Corp.
 Scio Diamond Technology Corp. Other Consumer SpecialtiesConsumer Durables Scio Diamond Technology Corp. engages in the development and production of crystal diamond materials. It intends to pursue development of its core diamond materials technologies and related intellectual property. The company was founded on September 17, 2009 and is headquartered in Greenville, SC. | Consumer Durables |
Switch Bulb Co., Inc.
 Switch Bulb Co., Inc. Electrical ProductsProducer Manufacturing Switch Bulb Co., Inc. designed LED lighting solutions for consumers and businesses. It offered LED lamps, including LED replacement bulbs, as well as warm white and neutral white incandescent replacement bulbs. The company was headquartered in San Jose, CA. | Producer Manufacturing |
Global Semiconductor Alliance
 Global Semiconductor Alliance Miscellaneous Commercial ServicesCommercial Services Global Semiconductor Alliance provides information on and organizes events for the semiconductor industry in order to ensure growth and profitability of the industry. The private company is based in Dallas, TX. The company was founded by Jodi L. Shelton. Jodi L. Shelton has been the CEO since incorporation. | Commercial Services |
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