Science Timothy Greenwood Halverson Posted by Who's Who Site Administrator on January 19, 2019 Most Recent Title: Conservation Biologist, Biostatistician, Zoologist Company: Nat. Pk. Svc. Industry: Science Years in Industry: 25 Years affiliated with Marquis Who’s Who: 32 Contact Timothy Greenwood Halverson: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...