Mr. Gillis focuses his practice on civil litigation, railroad and commercial problems, and real estate. He handles significant personal injury claims for both plaintiffs and defendants. He is considered one of Michigan's leading authorities in the area of railroad property disposition. He has spoken and consulted often on real estate issues related to rights of way and rail trail corridors for trails groups and the International Right of Way Association. 

Mr. Gillis enjoys his sailboat and his German shorthair dog. He is active in local historical and preservation groups and at Westminster Presbyterian Church, where he is a member.