About

James Lang was elected to the Halozyme Board of Directors in 2025 (effective December 4, 2025), with a term ending at the Company's 2027 annual meeting. He brings more than 30 years of experience in healthcare data, analytics and technology-enabled business services.

From May 2017 to August 2025, Mr. Lang served as founder and Chief Executive Officer of EVERSANA, a provider of global commercialization services for the life sciences industry, which he built through a series of M&A transactions, including over 20 acquisitions in seven years, growing it from $30 million in revenue and 150 employees to over $1 billion in revenue and approximately 6,000 employees. Since December 2016 he has also served as an executive advisor to Water Street Healthcare Partners. From 2012 to 2016 he held leadership roles at Decision Resources Group, including Chief Executive Officer from 2014 to 2016. From 2006 to 2008 he served as President of IHS Cambridge Energy Research Associates, and from 1989 to 2006 he held various roles at Strategic Decisions Group, including President and Chief Operating Officer from 2000 to 2006.

Mr. Lang received his B.S. in electrical and computer engineering from the University of New Hampshire and his MBA from the Tuck School of Business.

Roles

Halozyme Therapeutics, Inc.
Director · Current role
2025–present
EVERSANA
Founder and Chief Executive Officer · Built the company through over 20 acquisitions in seven years, growing it from $30 million in revenue and 150 employees to over $1 billion in revenue and approximately 6,000 employees.
2017-2025
Water Street Healthcare Partners
Executive Advisor · Strategic private equity firm focused on healthcare.
2016-present
Decision Resources Group
Leadership roles, including Chief Executive Officer (2014-2016) · Led approximately 10 acquisitions, resulting in the company being acquired.
2012-2016
IHS Cambridge Energy Research Associates
President
2006-2008
Strategic Decisions Group
Various roles, including President and Chief Operating Officer (2000-2006)
1989-2006
EVERSANA
Chief Executive Officer
Decision Resources Group
Chief Executive Officer
Strategic Decision Group
President

External Roles

BioVie, Inc.
Director
OptimizeRX Corporation
Director
BioVie
Director
OptimizeRx
Director

Also at Halozyme Therapeutics, Inc.

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