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Stephanie Lange, Ph.D., is a seasoned project manager with extensive experience in tunnel and geotechnical engineering. Currently serving as Project Manager at Amberg Engineering since August 2023, Stephanie previously held positions at Aegerter & Bosshardt from 2008 to 2023, progressing from Project Manager and Tunnel Engineer to Section Manager of Tunnel and Geotechnical Engineering. Notably, Stephanie developed and instructed a Tunnel Design and Construction course at Oregon State University in 2018. Stephanie holds a Ph.D. in Geotechnical and Earthquake Engineering from Oregon State University and has completed various engineering degrees from institutions such as the University of California, Berkeley, ETH Zürich, and Karlsruhe University of Applied Sciences.