Ionel Stefan

Chief Tech/Sci/R&D Officer at AMPRIUS TECHNOLOGIES, INC.

Net worth: 11 M $ as of 29/06/2026

54 year

18 connections

Consumer Services

Distribution Services

Producer Manufacturing

Profile

Dr. Ionel Stefan is a Chief Technology Officer at Amprius Technologies, Inc. He is on the Board of Directors at Battery Technology, Inc. He received his undergraduate degree from Babes-Bolyai University, a graduate degree from Babes-Bolyai University and a doctorate degree from Case Western Reserve University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
AMPRIUS TECHNOLOGIES INC 0.57%	26/05/2026	801,310 ( 0.57% )	11 M $	29/06/2026

Ionel Stefan active positions

Companies	Position	Start
AMPRIUS TECHNOLOGIES, INC.	Chief Tech/Sci/R&D Officer	31/07/2015
Battery Technology, Inc. Battery Technology, Inc. Electronics DistributorsDistribution Services Supplies replacement batteries, AC power adapters and other mobile devices	Director/Board Member	31/10/2012

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Training of Ionel Stefan

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Linked companies

Private companies	4
Case Western Reserve University Case Western Reserve University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Battery Technology, Inc. Battery Technology, Inc. Electronics DistributorsDistribution Services Supplies replacement batteries, AC power adapters and other mobile devices	Distribution Services
Babes-Bolyai University Babes-Bolyai University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Amprius Technologies, Inc. Amprius Technologies, Inc. Electrical ProductsProducer Manufacturing Manufactures and distributes lithium-ion batteries	Producer Manufacturing