IIVI II-VI Incorporated

Coherent Announces the Retirement of Dr. Mark Sobey, President, Lasers Segment

Coherent Announces the Retirement of Dr. Mark Sobey, President, Lasers Segment

PITTSBURGH, Sept. 01, 2023 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR), a global leader in materials, networking, and lasers, today announced that Dr. Mark Sobey, President, Lasers Segment, will retire from the company effective today, September 1, 2023.

Dr. Sobey has served as President of Coherent’s Lasers Segment since the closing of the merger between II-VI and Coherent, Inc., in July 2022. Prior to the merger, Dr. Sobey served as Coherent, Inc.’s, Chief Operating Officer from 2020 to 2022. He was previously Executive Vice President and General Manager of Coherent, Inc.’s, OEM Laser Sources until being promoted to COO, and before that he was Executive Vice President and General Manager of Specialty Laser Systems (SLS) from 2010 to 2016, and Vice President and General Manager of SLS from 2007 until 2010.

“Dr. Sobey’s long track record of success with the former Coherent, Inc., combined with his outstanding expertise in laser and fiber optics technology, have provided invaluable leadership to our combined company over the past 14 months,” said Dr. Vincent D. Mattera, Jr., Chair and CEO. “Dr. Sobey’s scientific and technical prowess was a great asset to Coherent Corp., and I personally will miss him as a colleague on our Executive Leadership Team. We thank him for his significant contributions and wish him and his family all the best following his retirement.”

Prior to Coherent, Inc., Dr. Sobey spent over 20 years in the laser and fiber optics telecommunications industries, including senior vice president roles in product management at Cymer and in global sales at JDS Uniphase. He received his Ph.D. in Engineering and B.Sc. in Physics from the University of Strathclyde in Scotland.

About Coherent

Coherent empowers market innovators to define the future through breakthrough technologies, from materials to systems. We deliver innovations that resonate with our customers in diversified applications for the industrial, communications, electronics, and instrumentation markets. Headquartered in Saxonburg, Pennsylvania, Coherent has research and development, manufacturing, sales, service, and distribution facilities worldwide. For more information, please visit us at .

Contact

Mark Lourie

Vice President, Corporate Communications



EN
01/09/2023

Underlying

To request access to management, click here to engage with our
partner Phoenix-IR's CorporateAccessNetwork.com

Reports on II-VI Incorporated

 PRESS RELEASE

Coherent to Join the S&P 500

Coherent to Join the S&P 500 SAXONBURG, Pa., March 09, 2026 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR) (“Coherent,” “We,” or the “Company”), a global leader in photonics, today announced it will join the S&P 500 index, effective Monday, March 23. Jim Anderson, CEO, said, “Joining the S&P 500 is a testament to the strength of our team, the power of our technology portfolio, and the trust our customers have placed in us. As optical interconnects and photonic solutions become foundational to scaling next-generation AI data center infrastructure, Coherent is uniquely positioned to drive...

 PRESS RELEASE

Coherent Launches 700mW Uncooled Micro-Pump Lasers for Improving Effic...

Coherent Launches 700mW Uncooled Micro-Pump Lasers for Improving Efficiency of Scale-Across Networks SAXONBURG, Pa., March 09, 2026 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR), a global leader in photonics, today announced new single- and dual-chip uncooled 980nm micro-pump lasers delivering up to 700mW per fiber output in a compact 3-pin module package. Designed to support next-generation coherent transmission systems and to enable ultra-high-density multi-rail optical amplifiers, the new devices deliver higher output power, greater efficiency, and enhanced design flexibility in spa...

 PRESS RELEASE

Coherent Announces General Availability of Industry's First Dual-Laser...

Coherent Announces General Availability of Industry's First Dual-Laser QSFP28-DCO for Single Fiber Transmission SAXONBURG, Pa., March 06, 2026 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR), a global leader in photonics, today announced the general availability of the industry’s first dual-laser QSFP28-DCO module designed to enable bi-directional 100G coherent transmission over a single working fiber. This breakthrough brings coherent performance to fiber-constrained network environments in a compact QSFP28 form factor for the first time. The new module allows network operators to deplo...

 PRESS RELEASE

Coherent Introduces Thermadite Liquid Cold Plates for High-Power Compu...

Coherent Introduces Thermadite Liquid Cold Plates for High-Power Compute Applications SAXONBURG, Pa., March 05, 2026 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR), a global leader in photonics, today announced the launch of Thermadite™ 800 Liquid Cold Plates (LCP) for next-generation AI accelerator cooling. Thermadite 800 delivers thermal conductivity of 800W/(m⋅K) - approximately twice that of copper - combined with a low coefficient of thermal expansion and high dimensional stability. Together, these properties reduce chip temperatures through superior heat spreading and low-resistan...

 PRESS RELEASE

Coherent Launches 224Gbps Quad TIA for Next-Generation AI and Cloud In...

Coherent Launches 224Gbps Quad TIA for Next-Generation AI and Cloud Infrastructure SAXONBURG, Pa., March 04, 2026 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR), a global leader in photonics, today announced the launch of its CHR1074 224Gbps quad-channel transimpedance amplifier (TIA) designed to power next-generation 800G and 1.6T optical transceivers. Engineered for high-performance AI and cloud infrastructure, the CHR1074 combines ultra-fast link recovery with intelligent power management to improve efficiency and reduce latency in increasingly dynamic data center environments. As hy...

ResearchPool Subscriptions

Get the most out of your insights

Get in touch