Cluster and Protocluster Mass Estimation and Determination of their Dynamical States

The identification of high-redshift clusters and proto-clusters is a rapidly growing field. For the purposes of cosmology and galaxy formation characterizing the masses of these halos is critical. I will review methods for measuring proto-cluster masses and some of the systematic uncertainties associated with these estimates. I will present the exciting new opportunities to find and measure proto-cluster masses that future millimeter-wave surveys will provide.