Executive Team

MCMILLAN (MAC) HUMMEL, CHIEF EXECUTIVE OFFICER

McMillan (Mac) Hummel was named Chief Executive Officer of NorthStar Holdco Energy, LLC and subsidiaries in January 2019.  Prior to joining NorthStar as CEO, Mr. Hummel served for over four years with EnLink Midstream as an Executive Vice President and as the President of the Liquids Business Unit.  During that time, Mr. Hummel led EnLink’s crude business, NGL business and Louisiana gas business.  Preceding his employment with Enlink, Mr. Hummel held various positions with The Williams Companies, which he joined in 1985, including Vice President of Commodity Services, Vice President of Natural Gas Liquids and Olefins and Vice President of Western Region Gathering and Processing.  Mr. Hummel began his career with Williams’ Northwest Pipeline, and also served as Williams’ Director of Business Development while living in Calgary, Alberta.

Mr. Hummel has served as a board member for Aux Sable Liquids Partners and has been a member of the American Fuel & Petrochemical Manufacturers Petrochemical Committee and the Association of Oil Pipe Lines Pipeline Subcommittee.

Mr. Hummel earned a Bachelor of Science in accounting and a Masters of Business Administration from the University of Utah. 

BRIAN L. MELTON, SVP – COMMERCIAL & BUSINESS DEVELOPMENT

Brian Melton, Senior Vice President of Commercial & Business Development for NorthStar Holdco Energy, LLC and subsidiaries has over 24 years of experience in the energy and financial services industry.  Prior to joining NorthStar Midstream, he has held such roles as Chief Commercial Officer, Vice President of Business Development / Corporate Strategy for various midstream companies throughout his career including BlueKnight Energy Partners, L.P. (Nasdaq:  BKEP & BKEPP); Crestwood Midstream Partners, L.P. (NYSE:  CEQP); Inergy, L.P. (Nasdaq:  NRGY & NRGP) and TransMontaigne, Inc. (private).  Brian has also held the positions of Director of Energy Investment Banking at Wachovia Securities and A.G. Edwards.

Mr. Melton also serves on the Board of Directors for Abraxas Petroleum Corporation, a San Antonio, Texas-based exploration and production company focused on operating in the Permian, Bakken and South Texas regions since October 2009.

Mr. Melton received a Bachelor of Science degree in Management and a Master of Business Administration (MBA) degree from Arkansas State University.

TIMOTHY CASEY, SVP – LNG

Tim Casey serves as SVP LNG and previously served as Chief Executive Officer of NorthStar Holdco Energy, LLC and subsidiaries. Prior to NorthStar Midstream, he worked for Kinder Morgan Terminals as Vice President of Business Development from June of 2013 until September of 2015. Previously, Mr. Casey was the Chief Executive Officer and President of K-Sea General Partner GP LLC, General Partner of K-Sea Transportation Partners LP from July 2003 thru June of 2012. Mr. Casey served as the Chief Executive Officer and President of K-Sea Operating Partnership LP. Mr. Casey was President, Chief Executive Officer of K-Sea Transportation LLC since April 1999.

Mr. Casey joined K-Sea Transportation LLC’s predecessor in October 1988 as its Controller and also … served as its Chief Financial Officer from 1996 to April 1999. Prior to joining K-Sea Transportation LLC’s predecessor, Mr. Casey was Controller for New York Towing Corp., a joint venture with Zapata Gulf Marine. From 1982 to 1987, he worked for Zapata Gulf Marine in operations, traffic and finance. He has been Director of K-Sea General Partner GP LLC, General Partner of K-Sea Transportation Partners LP since July 2003. He has been Director of K-Sea Transportation LLC since April 1999. Mr. Casey served as a board member and Chairman of American Waterways Operators and a board member of The Seamen’s Church Institute. Mr. Casey has a Bachelors of Arts in Business Administration/Finance from Texas A&M University and a Master of Science in Transportation from the State University of New York, Maritime College.  

THOMAS SULLIVAN, SVP – OPERATIONS

Responsible for oversight of NorthStar Midstream’s various business operations, Thomas Sullivan is focused on employee safety, exceptional customer service, quality and efficiency. His unique operational background combines 14 years sailing as a licensed deck officer with 20 years’ senior executive experience, managing companies involved in the transportation and storage of bulk petroleum products. Accomplishments under Mr. Sullivan’s watch include recognition as the first U.S. flag tug and barge operator to achieve ABS HSQE certification, meeting the standards of the ISM Code, ISO 9001, ISO 14001, OHSAS 18001 and the AWO Responsible Carrier Program. He is a graduate of the NY Maritime College, a member of the American Bureau of Shipping and recipient of the Virginia House of Hope Award and the Fort Schuyler Admiral’s Award for Outstanding Service.  

MATTHEW MCKENZIE, SVP – FINANCE AND ADMINISTRATION

Matt McKenzie is the SVP – Finance and Administration at NorthStar Holdco Energy, LLC and subsidiaries. He is responsible for all accounting, finance, human resources, IT and other administrative services. Prior to joining NorthStar, Mr. McKenzie served in various leadership roles, including Chief Financial Officer, of Watco Companies, a large transportation services company. He is a Certified Public Accountant.

Corporate Headquarters
10077 Grogans Mill Road
Suite 530
The Woodlands, TX 77380
(713) 277-7000

Commercial & Business Development: Brian L. Melton
(713) 244-5991
bmelton@northstarmidstream.com

Commercial Point Comfort: Steve Ferro
(832) 567-3209
sferro@northstarmidstream.com

Commercial North Dakota: Gregg Haslinsky
(917) 751-3671
ghaslinsky@northstarmidstream.com

Engineering: Chip Lang
(713) 702-6701
clang@northstarmidstream.com

Operations: Tom Sullivan
(732) 710-7226
tsullivan@northstarmidstream.com

NST E. Fairview: Operations Manager
Travis Nellermoe
(406) 939-0862
tnellermoe@northstarmidstream.com

Point Comfort: Steven Svetlik
(361) 935-1185
ssvetlik@northstarmidstream.com
Corporate Headquarters
10077 Grogans Mill Road
Suite 530
The Woodlands, TX 77380
(713) 277-7000

Commercial & Business Development: Brian L. Melton
(713) 244-5991
bmelton@northstarmidstream.com

Commercial Point Comfort: Steve Ferro
(832) 567-3209
sferro@northstarmidstream.com

Commercial North Dakota: Gregg Haslinsky
(917) 751-3671
ghaslinsky@northstarmidstream.com

Engineering: Chip Lang
(713) 702-6701
clang@northstarmidstream.com

Operations: Tom Sullivan
(732) 710-7226
tsullivan@northstarmidstream.com

NST E. Fairview: Operations Manager
Travis Nellermoe
(406) 939-0862
tnellermoe@northstarmidstream.com

Point Comfort: Steven Svetlik
(361) 935-1185
ssvetlik@northstarmidstream.com