HJ Sims

Management Team

Meet the HJ Sims management team.

The management team at HJ Sims is comprised of experienced leaders with deep professional and industry expertise and a commitment to staying true to the company’s original path: to remain independent and family run. To learn more about a specific member of our team, click on the name below.

William Sims, Managing Principal
Jason H. Diamond, Managing Principal
Daniel J. Mullane, Managing Principal
Aaron Rulnick, Principal
R. Jeffrey Sands, Principal