Stephen Kelley
Chief Executive Officer at ADVANCED ENERGY INDUSTRIES, INC.
Net worth: 9 M $ as of 2024-03-30
Profile
Stephen Douglas Kelley currently works at Advanced Energy Industries, Inc., as President, Chief Executive Officer & Director from 2021 and Onto Innovation, Inc., as Independent Director from 2023.
Mr. Kelley also formerly worked at Amkor Technology, Inc., as President, Chief Executive Officer & Director from 2013 to 2020, Scio Diamond Technology Corp., as Chief Executive Officer from 2012 to 2013, Global Semiconductor Alliance, as Director, Switch Bulb Co., Inc., as Director, Texas Instruments Incorporated, as VP, General Manager-Standard Linear & Logic Group from 2003 to 2008, Wolfspeed, Inc., as Chief Operating Officer & Executive Vice President from 2008 to 2011, and Philips Semiconductors, Inc., as Senior Vice President & General Manager from 1993 to 2003.
Mr. Kelley received his undergraduate degree from Massachusetts Institute of Technology and graduate degree from Santa Clara University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2024-03-15 | 82,083 ( 0.22% ) | 8 M $ | 2024-03-30 | |
ONTO INNOVATION, INC.
0.01% | 2024-03-24 | 2,700 ( 0.01% ) | 488 916 $ | 2024-03-30 |
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 | 4 |
|---|---|
| TEXAS INSTRUMENTS INCORPORATED | Electronic Technology |
| WOLFSPEED, INC. | Electronic Technology |
| ADVANCED ENERGY INDUSTRIES, INC. | Electronic Technology |
| AMKOR TECHNOLOGY, INC. | Electronic Technology |
| Private companies | 5 |
|---|---|
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 |
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 |
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 |
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 |
| Onto Innovation, Inc. |
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