---
title: "Mark Johns | Mining Expert, Geological Sciences, Oceanography, Environmental, Environmental Sciences, and Hydrogeology Expert Witness | Deep Research and Background Information on Experts"
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  "og:description": "Mark William Johns is an expert witness in Mining Expert, Geological Sciences, Oceanography, Environmental, Environmental Sciences, and Hydrogeology. View detailed background information and comprehensive legal research data."
  "og:title": "Experts | Expert Witness Profiler | Deep Research and Background Information on Experts"
  description: "Mark William Johns is an expert witness in Mining Expert, Geological Sciences, Oceanography, Environmental, Environmental Sciences, and Hydrogeology. View detailed background information and comprehensive legal research data."
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### **Results for: ** Mark William Johns

# **Mark William Johns**

Mining Expert, Geological Sciences, Oceanography, Environmental, Environmental Sciences, Hydrogeology

Bellevue, Washington

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Expert Details

Dr. Mark William Johns Ph.D., P.G., L.G. is a hydrogeology and mining expert witness in Washington. Dr. Dr. Johns achieved B.S degree in Oceanography and geology from the University of Washington in 1977, later he received Ph. D in marine geotechnique from the Texas A&M University. Currently, Mark W. Johns is the principal scientist and office director in Exponent’s Environmental Sciences practice.

**A previous Expert Challenge Study on Mark William Johns revealed: **

| **Total Challenges** | **5** |
| --- | --- |
| **Direct Challenges** | **4** |
| **Indirect Challenges ** | **1** |

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Expert Challenge Study

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Expert Witness Profile

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