Accounts Payable Manager

Summit Therapeutics•Palo Alto, CA

11h•$139,000 - $160,000

About The Position

Summit Therapeutics Inc. is a biopharmaceutical oncology company with a mission focused on improving quality of life, increasing potential duration of life, and resolving serious unmet medical needs. At Summit, we believe in building a team of world class professionals who are passionate about this mission, and it is our people who drive this mission to reality. Summit’s core values include integrity, passion for excellence, purposeful urgency, collaboration, and our commitment to people. Our employees are truly the heart and soul of our culture, and they are invaluable in shaping our journey toward excellence. Summit’s team is inspired to touch and help change lives through Summit’s clinical studies in the field of oncology. Summit has multiple global Phase 3 clinical studies, including: Non-small Cell Lung Cancer (NSCLC) HARMONi: Phase 3 clinical study which was intended to evaluate ivonescimab combined with chemotherapy compared to placebo plus chemotherapy in patients with EGFR-mutated, locally advanced or metastatic non-squamous NSCLC who were previously treated with a 3rd generation EGFR TKI. HARMONi-3: Phase 3 clinical study which is intended to evaluate ivonescimab combined with chemotherapy compared to pembrolizumab combined with chemotherapy in patients with first-line metastatic NSCLC. HARMONi-7: Phase 3 clinical study which is intended to evaluate ivonescimab monotherapy compared to pembrolizumab monotherapy in patients with first-line metastatic NSCLC. Colorectal Cancer (CRC) HARMONi-GI3: Phase 3 clinical study intended to evaluate ivonescimab in combination with chemotherapy compared with bevacizumab plus chemotherapy. Ivonescimab is an investigational therapy not presently approved by any regulatory authority other than China’s National Medical Products Administration (NMPA). Summit is headquartered in Miami, Florida, and has additional offices in California, New Jersey, the UK, and Ireland. Overview of Role: The Accounts Payable (AP) Manager is responsible for overseeing the end-to-end accounts payable function, with a focus on clinical trial payments processed through platforms such as Greenphire and Suvoda. You will ensure accurate and timely processing of site payments, maintain strong relationships with vendors and clinical sites, and supervise the outsourced AP team. You will drive compliance with company policies, internal controls, and regulatory requirements, while improving payment process efficiency across multiple systems. You will need experience with US & EU site requirements, including invoicing and payment processes. You will manage day-to-day AP operations, support month-end close activities, assist with audits, and collaborate with internal teams (Clinical Operations, Finance and external partners) to resolve payment and site-related issues.

Requirements

Associates or Bachelors degree preferred or equivalent combination of education and experience
Minimum of 5+ years of experience in AP
Demonstratable experience of working within a fast-paced finance function
Strong Excel and financial systems experience, with the ability to manipulate and interpret key financial data
High level of accuracy and attention to detail
Enthusiastic team player with an approachable manner and an ability to engage with colleagues across the business with a constructive and can-do attitude to deliver the successful completion of team outputs within required deadlines

Nice To Haves

Life science industry experience strongly preferred

Responsibilities

Oversee daily accounts payable operations, including payments processed through Greenphire and Suvoda portals
Demonstrate understanding of ex-US and EU site requirements, including country-specific invoicing, tax considerations, and payment timelines
Supervise and support AP staff to ensure accurate and timely processing of invoices and site payments
Manage relationships with vendors, clinical sites, and third-party providers (e.g. Greenphire, Suvoda)
Review and reconcile payment data between internal systems and external payment platforms
Ensure timely and accurate processing of site payments, including proforma invoices where applicable
Maintain and update vendor and site master data, including payment terms and contact details
Monitor AP balances and ensure timely resolution of discrepancies and outstanding items
Ensure compliance with company policies, internal controls, and SOX requirements
Support month-end and year-end close activities, including accruals and reconciliations related to site payments
Collaborate with Finance, Clinical Operations, and Contracts teams to streamline payment processes and improve data accuracy
Track and report on payment status
All other duties as assigned