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William AddyRead Bio
William Addy
Executive Chairman

William M. (Bill) Addy is the Executive Chairman of ISN, a position he has held since 2015. Previously he was Chairman and Chief Executive Officer.

Before founding ISN in 2001, Bill was a partner with The Boston Consulting Group (BCG), where he provided direction on strategic and organizational issues for companies in a variety of industries. He worked for BCG in Chicago, IL and Sydney, Australia before relocating to Dallas, TX in 1993 to help establish BCG’s Dallas office. After college, Bill was a construction engineer for Chevron Corporation, where he was responsible for the design and construction of pipelines and gas processing facilities throughout Colorado, Wyoming and Utah.

Bill holds an MBA from Harvard Business School and a bachelor’s degree in Chemical Engineering with Honors from Princeton University.

He is a member of the Dallas Chapter of World Presidents’ Organization, a board member of Jubilee Park & Community Center, an Executive Board Member of Southern Methodist University’s (SMU) Lyle School of Engineering, a member of the Advisory Council for the School of Engineering and Applied Science at Princeton University and a board member of North Texas Public Broadcasting. Bill lives in Dallas with his wife and has four sons.

Joe EastinRead Bio
Joseph Eastin
President & Chief Executive Officer

Joe Eastin is President & Chief Executive Officer of ISN. He has been with the company since its beginning in 2001.

Joe holds an MBA from Massachusetts Institute of Technology’s (MIT) Sloan School of Management and a Bachelor of Science in Business Administration from Oklahoma State University (OSU).

Joe currently serves on the American Board at Massachusetts Institute of Technology’s (MIT) Sloan School of Management, the Dallas Lone Star Chapter of the Young Presidents’ Organization (YPO) and several boards at Oklahoma State University (OSU), including helping establish The Eastin/ISN Center for Career Readiness. He currently lives in Dallas with his wife and four children.

Brian CallahanRead Bio
Brian Callahan
Executive Vice President & Chief Operating Officer

Brian Callahan is the Executive Vice President & Chief Operating Officer at ISN. He joined ISN in 2004 and has held a variety of business development and management roles, most recently Senior Vice President of Business Development.

Before joining ISN, Brian worked at the Federal Reserve Bank of Kansas City for six years, where he held a number of supervisory and management positions in the Financial Services and Administrative Services divisions. Prior to that, he worked as a financial analyst for Koch Industries in Wichita, Kansas. Brian also served as an officer in the United States Army and was stationed at Schofield Barracks, Hawaii.

Brian holds an MBA from the University of Oklahoma and a Bachelor of Science in Business Administration from Oklahoma State University.

He lives in Plano, Texas with his wife and three children.

Dag YemenuRead Bio
Dag Yemenu
Senior Vice President, Technical Services

Dag Yemenu is the Senior Vice President of Technical Services at ISN. Prior to his current role, he held positions in the company’s various operational groups in the U.S. and abroad, most recently Vice President of Technical and Customer Services.

Before joining ISN in 2005, he worked as an engineer with Dynegy Inc. and with the Ethiopian Airlines and Civil Aviation Authority.

He holds a Master of Science degree in Industrial Engineering and Management as well as an MBA, both from Oklahoma State University.

Dag is a board member at the Care Partnership Project. He is married with three children.

Julie ConnellyRead Bio
Julie Connelly
Associate Vice President

Julie Connelly is an Associate Vice President at ISN, overseeing several groups in the Products team, including Product Management and Quality Assurance. Prior to her current role, Julie held leadership positions in various operational and business development teams, most recently Associate Vice President of Human Resources and Senior Director of the Petrochemical Team.

Prior to joining ISN in 2003, Julie worked at KMPG as an IT auditor and ExxonMobil Chemical Company as a Corporate Plan Site Coordinator.

Julie holds an MBA and Bachelor of Science in Management Information Systems, both from Oklahoma State University.

In 2008, she received the Spears School of Business Outstanding Young Alumnus Award at OSU. In 2011, she was also recognized as one of the Top 50 MBA Alums from OSU. Julie lives in Dallas with her husband and daughter.

Brandi SurineRead Bio
Brandi Surine
Associate Vice President / Enterprise Architect

Brandi Surine is the Associate Vice President/Enterprise Architect at ISN. Prior to her current role, Brandi held several management roles, most recently Senior Director/Enterprise Architect and Director of the Energy group.

Since joining ISN in 2004, Brandi has held various business development, management and leadership roles within the organization. Her experience includes leading teams at ISN focused on contractor management for operators in Oil & Gas and Manufacturing, Customer Service Teams and Products Teams, including data security and development, testing and maintenance of ISNetworld.

She holds a Bachelor of Science in Marketing (Cum Laude) from Oklahoma State University.

Brandi is a member of the Phi Kappa Phi Honor Society and a volunteer with the Leukemia & Lymphoma Society. She lives in Dallas with her French Bulldog.

Belinda FieldRead Bio
Belinda Field
Associate Vice President

Belinda Field is an Associate Vice President at ISN, overseeing Operational Excellence and Contractor Operations. Prior to her current role, Belinda held leadership positions in various business development and operations teams, most currently Director of ISN’s efforts outside North America and Director of the Customer Service Team.

Prior to joining ISN in 2004, she was with Time Warner Telecom as a Sales Support Manager, where she oversaw the order entry team in the Dallas office.

She holds a Ph.D. and Master of Arts in Political Science, both from the University of Houston, and a Bachelor of Arts in Political Science from Binghamton University.

Belinda is a Project Management Professional (PMP).

She lives in Dallas with her husband, daughter and Toy Schnauzer.

Kim HollyRead Bio
Kim Holly
Associate Vice President

Kim Holly is an Associate Vice President at ISN, overseeing the Manufacturing Teams. Prior to her current role, she held several management roles, most recently Senior Director of Business Development for Manufacturing.

Since joining ISN in 2007, Kim has held various business development, management and leadership roles within the organization. Her experience includes leading teams at ISN focused on contractor management for Manufacturing companies; expanding the industries served to include Steel, Pulp, Paper and Wood products, Consumer Products, Food, Beverage, Agriculture, Pharmaceutical & Healthcare and Facilities Management.

She holds a Bachelor of Science in Business Administration from the University of Oklahoma.

Kim lives in Dallas with her husband and Labrador Retriever.

Marie AndersonRead Bio
Marie Anderson
Associate Vice President

Marie Anderson is an Associate Vice President at ISN, overseeing ISN’s Petrochemical, Subcontractor Management and Contractor Development Teams. Prior to her current role, she held several management roles, most recently Senior Director at ISN overseeing several groups in the Products team, including Product Management and Quality Assurance.

Since joining ISN in 2007, Marie has held various business development, management and leadership roles within the organization. Her experience includes leading teams at ISN focused on contractor management for operators in Oil & Gas, subcontractor management and large contractor relationship development.

She holds a Bachelor of Business Administration and a Bachelor of Arts (with Honors), both from The University of Texas at Austin.

Marie lives in Dallas with her husband, daughter and Labrador Retriever.

Brittany SurineRead Bio
Brittany Surine
Senior Director

Brittany Surine is a Senior Director at ISN, overseeing ISN’s Europe, Middle East and Africa efforts from the London office. Prior to her current role, she held several management roles, most recently Director of ISN’s Petrochemical, Subcontractor Management and Contractor Development Teams.

Since joining ISN in 2005, Brittany has held various business development, management and leadership roles within the organization. Her experience includes leading teams at ISN focused on contractor management for operators in Oil & Gas in the U.S., Canada and EMEA region, large contractor relationship development, subcontractor management and customer service. Brittany opened the ISN London office in 2011.

She holds a Bachelor of Science in Business Administration from Oklahoma State University.

Brittany lives in London with her husband and two children.

Adam LoganRead Bio
Adam Logan
Senior Director

Adam Logan is a Senior Director at ISN, overseeing ISN’s Energy group. Prior to his current role, he held several management roles, most recently Director of the Utilities, Power Generation and Public Sector Teams and Senior Manager of ISN’s Upstream Group.

Since joining ISN in 2006, Adam has held various business development, management and leadership roles within the organization. His experience includes leading teams at ISN focused on insurance review and verification, contractor conformance to regulatory and client requirements, large contractor relationship development, and contractor management for operators in Oil & Gas, Facilities Management, Healthcare, Pharmaceutical and Utilities industries. Adam opened the ISN New York office in 2012.

He holds a Bachelor of Science in Business Administration from Oklahoma State University.

Adam lives in Dallas with his wife, two sons and their Australian Shepherd.

Kim RitchieRead Bio
Kim Ritchie
Director

Kim Ritchie is a Director at ISN, overseeing ISN’s Eastern Canada Team. Prior to her current role, she held several management roles, most recently Senior Manager of ISN’s Canadian Team and Manager of the Manufacturing Teams.

Since joining ISN in 2006, Kim has held various business development, management and leadership roles within the organization. Her experience includes leading teams at ISN focused on contractor management across various industries, such as Petrochemical, Oil & Gas, Manufacturing and Public Sector in the U.S., Canada and Australia. Kim opened the ISN Sydney office in 2009 and the ISN Toronto office in 2015.

She holds a Bachelor of Science in Business Administration from The University of Texas at Austin.

Kim lives in Toronto with her husband and daughter.

Jenny BuckleyRead Bio
Jenny Buckley
Director

Jenny Buckley is a Director at ISN, overseeing ISN’s Latin America and Asia Pacific efforts. Prior to her current role, she held several management roles, most recently Director of ISN’s Western Canada Team and Senior Manager of ISN’s Australia Operations.

Since joining ISN in 2006, Jenny has held various business development, management and leadership roles within the organization. Her experience includes leading teams at ISN focused on contractor management across various industries, such as Petrochemical, Oil & Gas, Mining, Utilities and Public Sector in the U.S., Canada, Australia and New Zealand.

She holds a Bachelor of Business Administration from The University of Texas at Austin.

Jenny lives in Dallas with her husband and Basenji.

Richard CerenzioRead Bio
Richard Cerenzio
Director

Richard Cerenzio is a Director at ISN, overseeing the Health, Safety & Environmental Review and Verification Services Team. He joined ISN in 2010 and has held various leadership roles, most recently leading the Petrochemical Team and prior to that, the Contractor Development group.

Prior to joining ISN, Richard spent over 24 years as a Global Senior Manager in HS&E within the North American and Australian petrochemical industries for TIMEC as well as the North American facilities and road maintenance industries. He has also worked in the copper mining sector in South America.

A long-standing member of the American Society of Safety Engineers (ASSE), Richard currently serves on various committees including the National Occupational Research Agenda (NORA) Oil & Gas Council, and is the past chair and current member of the National Center for Construction Education and Research (NCCER) Workforce Development Committee.

Richard lives in Dallas with his wife and has two sons.

Ghousuddin SyedRead Bio
Ghousuddin Syed
Director

Ghousuddin Syed joined ISN in 2014 and currently serves as the Director of the Products Team.

Prior to joining ISN, he worked at Yahoo! for 14 years where he served as Director of Engineering for several different platforms, including Video, Personalization, and Cloud & Big Data. Prior to working at Yahoo!, he was a software engineer with the Central Intelligence Agency in Langley, VA.

He holds a Bachelor of Science in Electrical Engineering, with a minor in Computer Science, from Cleveland State University.

Ghousuddin is a member of the GIAC Information Security Advisory Board. He lives in Dallas with his wife and four children.

Joe SchloesserRead Bio
Joe Schloesser
Director

Joe Schloesser is a Director at ISN, overseeing the ISN’s Midstream teams and Research & Development team.

Prior to joining ISN in 2016, Joe spent 15 years in executive positions at Bank of America, Countrywide Financial and Iron Mountain. In these roles, he was responsible for sales, operations, marketing and product development efforts across US and Canada.

Joe holds an MBA from Massachusetts Institute of Technology’s (MIT) Sloan School of Management and a Bachelor of Science in Business Administration from Boston University (BU).

Joe lives in Dallas with his wife and son.

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