static void Main(string[] args)
        {
            SetupClaimsPrincipal();

            Console.WriteLine(Thread.CurrentPrincipal.AsClaims().EmailAddress);
            Console.WriteLine(Thread.CurrentPrincipal.AsClaims().Name);
            Console.ReadLine();
        }

        private static void SetupClaimsPrincipal()
        {
            var claims = new ClaimsIdentity(new Claim[] {
                new Claim(ClaimTypes.Name, "matias"),
                new Claim(ClaimTypes.Email, "matias@southworks.net")
            });

            var principal = new ClaimsPrincipal(new ClaimsIdentity[] { claims });

            Thread.CurrentPrincipal = principal;
        }
    }

    static class ClaimsExtensions
    {
        public static dynamic AsClaims(this IPrincipal principal)
        {
            var claimsPrincipal = principal as IClaimsPrincipal;
            if (claimsPrincipal != null)
            {
                var identity = claimsPrincipal.Identity as IClaimsIdentity;
                return new DynamicClaims(identity.Claims);
            }

            return null;
        }
    }

    class DynamicClaims : DynamicObject
    {
        private readonly ClaimCollection claims;

        public DynamicClaims(ClaimCollection claims)
        {
            this.claims = claims;
        }

        public override bool TryGetMember(GetMemberBinder binder, out object result)
        {
            result = GetClaim(binder.Name, this.claims);
            return result != null;
        }

        private string GetClaim(string hint, ClaimCollection claims)
        {
            var found = claims.Where( c => c.ClaimType.Substring(c.ClaimType.LastIndexOf('/') + 1).Equals(hint, StringComparison.OrdinalIgnoreCase));
            if (found.Count() > 1) 
                throw new InvalidOperationException(string.Format("More than one claim ({0}) matched the name: {1}", string.Join(",", claims.Select(c => c.Value)), hint));

            if (found.SingleOrDefault() == null)
                throw new InvalidOperationException(string.Format("No claim was found that ends with after the trailing slash: {0}", hint));

            return found.SingleOrDefault().Value;
        }
    }