The best way to contact Jim is by email. Jim will try to check his email daily, unless he is away from civilization.
Click the link below to send Jim an email:
If you read Jim's new book, The Fundamentals of Mining for Gemstones and Mineral Specimens you'll have a better sense of the in-depth knowledge and experience that Jim has than could ever be included in a resume, but if you are interested in hiring Jim for consulting services (remote, or on-site), you may also want to download a copy of his resume/CV. (right-click and select Save Link As here): Resume/CV