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Head of Legal, ClarusONE Sourcing Services

London, United Kingdom Job ID JR0147018 Category Counsel, Compliance & Legal Post Date May. 12, 2026
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ClarusONE Sourcing Services LLP provides strategic generic pharmaceutical sourcing services to both of its member organisations: Walmart, Inc. and McKesson Corporation.  The two companies have more than 25 years of history working together to improve the quality and lower the cost of pharmaceutical care to patients.  As part of this arrangement, McKesson and Walmart established this organisation in London in 2016 to provide strategic pharmaceutical sourcing services for both companies. ClarusONE ensures both companies have access to the right generic pharmaceuticals to meet customer demand at a market competitive cost.  McKesson supplies pharmaceuticals to over on-third of all healthcare providers in the United States and Walmart is one of the United States’ largest pharmacy chains.

Job Title:             Managing Chief Counsel

Location:             Russell Square, London, United Kingdom.  Flexible working.

Job Purpose:

Serves as principle point of contact for ClarusONE commercial transactions principally relating to generics pharmaceutical sourcing initiatives for the two member companies in the US market, as well as providing day-to-day risk assessment, negotiation and contract drafting, and issue identification and escalation to the supervising Managing Chief Counsel, as appropriate. Lead the local legal team and advise the compliance team to ensure governance and controls are in place to mitigate risk. Drafts, reviews, analyses and negotiates contracts and provides guidance on contract provisions and attendant risks in accordance with applicable law, operational practices and internal policies. Contract types may include, without limitation, pharmaceutical sourcing agreements and amendments, RFP terms and conditions, confidentiality agreements, software license agreements, business process outsourcing agreements, and data processing agreements.

Responsibilities include:

  • Lead the legal team dedicated to support ClarusONE.
  • Provide day-to-day legal support to the partnership’s business team in London, including advising on compliance with U.K. laws.
  • Serves as the key legal advisor to ClarusONE senior leadership on an array of topics relating to operations and business activities.
  • Manage a team consisting of a Senior Counsel and Contracts Administrator.
  • Draft and prepare various contracts, amendments and standard terms and conditions for generics procurement, and provide guidance on contract standards.
  • Participate in contract negotiations and communicate with generic pharmaceutical suppliers on contract issues, proposals and disputes.
  • Identify and analyse legal and business risk and appropriately identifying required escalations.
  • Partner with Compliance organization to monitor compliance with internal business and legal processes and policies, working with the others to operationalize internal policies and standard operating procedures.
  • In partnership with the President ClarusONE act as the lead representative supporting both McKesson and Walmart legal and compliance teams on JV related matters including but not limited to services agreements, policies and procedures.
  • Represent the ClarusONE business on projects as a subject matter expert and prepare legal presentations for internal legal counsels and senior leaders, as applicable.
  • Coordinate with law firms and external service providers as needed.
  • Monitor applicable legal, policy and industry developments that may impact the partnership, including, but not limited to, developments in the U.S. pharmaceutical industry.
  • Identify opportunities and recommend solutions for process and automation enhancements.
  • Provide ad hoc legal support to the partnership as required, including the review of IT agreements, service agreements, license agreements and intercompany documentation.
  • Review policies and procedures for compliance with U.K. and U.S. laws.

Key Relationships:

Reports to: Managing Chief Counsel, McKesson Global Procurement, McKesson Corporation

Key Client: President, ClarusONE Sourcing Services

Requirements:

Education/Experience

  • U.K. Solicitor or Barrister with a minimum of 10 years post qualification experience.
  • Legal experience in a corporate legal department or law firm reviewing and revising complex commercial contracts. 
  • Experience working in a healthcare regulatory environment, with pharmaceutical procurement experience preferred.
  • Proficient in Office 365, including Word, PowerPoint, and Outlook.

Additional Knowledge & Skills

  • Strong oral and written communication skills.
  • Excellent contract drafting and strong attention to detail and process.
  • Aptitude to manage simultaneous projects in an efficient and timely manner and an ability to adapt quickly to business needs and changing timelines.
  • Ability to work independently and collaboratively in a collegial environment.
  • Ability to collaborate and build relationships with legal and business colleagues of varying levels of seniority and to promote the reputation and integrity of the Law Department, the ClarusONE partnership and its members.
  • Ability to own specific matters or projects from beginning to end.
  • Knowledge of US healthcare laws beneficial.

McKesson has become aware of online recruiting-related scams in which individuals who are not affiliated with or authorized by McKesson are using McKesson’s (or affiliated entities, like CoverMyMeds or RxCrossroads) name in fraudulent emails, job postings or social media messages. In light of these scams, please bear the following in mind:

McKesson Talent Advisors will never solicit money or credit card information in connection with a McKesson job application.


McKesson Talent Advisors do not communicate with candidates via online chatrooms or using email accounts such as Gmail or Hotmail. Note that McKesson does rely on a virtual assistant (Gia) for certain recruiting-related communications with candidates.

McKesson job postings are posted on our career site: careers.mckesson.com.

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McKesson has become aware of online recruiting-related scams in which individuals who are not affiliated with or authorized by McKesson are using McKesson’s (or affiliated entities, like CoverMyMeds or RxCrossroads) name in fraudulent emails, job postings or social media messages. In light of these scams, please bear the following in mind:

  • McKesson Talent Advisors will never solicit money or credit card information in connection with a McKesson job application.
  • McKesson Talent Advisors do not communicate with candidates via online chatrooms or using email accounts such as Gmail or Hotmail. Note that McKesson does rely on a virtual assistant (Gia) for certain recruiting-related communications with candidates.
  • McKesson job postings are posted on our career site: careers.mckesson.com.

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