Medical Director

89BioSan Francisco, CA, US

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Job Description

Salary : THE COMPANY

89bio is a clinical-stage biopharmaceutical company dedicated to the development of best-

in-class therapies for patients with liver and cardiometabolic diseases who lack optimal

treatment options. The company is focused on rapidly advancing its lead candidate,

pegozafermin, through Phase 3 clinical development for the treatment of metabolic

dysfunction-associated steatohepatitis (MASH) and severe hypertriglyceridemia (SHTG).

Pegozafermin is a specifically engineered, potentially best-in-class fibroblast growth factor

21 (FGF21) analog with unique glycoPEGylated technology that optimizes biological activity

through an extended half-life. The company is headquartered in San Francisco.

SPECIAL ADVISORY

The FTC has an advisory out on the domain 89biocareers.com if you are contacted by any

group using a similar, but not our exact domain 89bio.com, please Report any Scams.

THE ROLE

Reporting to the Executive Medical Director the Medical Director will be primarily responsible

for providing medical and scientific expertise to support our Phase 3 clinical MASH program

primarily focused on cirrhosis. The Medical Director will serve as a key clinical leader working

cross-functionally with Clinical Operations, Regulatory Affairs, Pharmacovigilance,

Biometrics, and external partners to ensure the integrity, safety, and success of our late-stage

trials.

THE RESPONSIBILITIES

Serve as one of the Medical Monitors for ongoing Phase 3 trials, overseeing medical

oversight, safety signal detection, and protocol compliance.

Provide clinical and scientific input into trial design, protocols, amendments, and study

conduct documentation (e.g., IBs, ICFs, SAPs).

Participate in clinical data review, interpretation, and decision-making, including

support for database locks, interim analyses, and regulatory submissions.

Collaborate with the Safety / Pharmacovigilance team to monitor and assess adverse

events and serious adverse events, ensuring timely escalation and communication.

Lead or participate in Clinical Study Team (CST) meetings and contribute to cross-

functional program team discussions.

Review and contribute to regulatory documents, including briefing books, INDs, NDAs,

and responses to health authorities.

Provide medical expertise in interactions with CROs, investigators, DSMBs, and KOLs

to support trial execution and data integrity.

Remain current on therapeutic trends, competitive landscape, and emerging data in

MASH, liver fibrosis, and metabolic diseases.

Requires successful cross-collaboration with groups such as clinical science, clinical

operations, regulatory, biometrics, safety and other functions as needed throughout the

organization

Requires travel to sites, scientific meetings, CROs and other meetings as needed (25-

30%.

THE QUALIFICATIONS

MD or equivalent medical degree is required; board certification in Gastroenterology,

Hepatology, or Internal Medicine with a focus on metabolic diseases preferred.

At least 58 years of industry experience in clinical development or medical

monitoring, ideally with late-phase experience in liver / metabolic diseases (MASH and

cirrhosis specifically).

Demonstrated leadership in Phase 2 or 3 clinical trials, including protocol design,

medical oversight, and regulatory engagement.

Experience working within or overseeing global, multi-center trials and collaborating

with CROs and external stakeholders.

Deep understanding of GCP, ICH guidelines, FDA / EMA regulations, and global drug

development processes.

Excellent communication, critical thinking, and collaborative skills; ability to translate

clinical data into strategic insights.

SALARY & LEVEL

89bio considers a range of factors when determining salary and level. These considerations

mean actual salary and level may vary. The expected salary range for this position based on

the primary location for this position in Northern California is $263,000 $315,000.

89bios role / level assessment approach involves assessing candidates during the interview

process before confirming the level / title designation. The level assessment is considered on a

case-by-case basis. Offer and level is based on factors such as : education, experience,

qualifications, geographic location, transferable skills, licenses / certifications and other job-

related factors permitted by law.

THE PERKS

Competitive health insurance coverage

Generous PTO allowance

401k match

Employee Stock Purchase Plan (ESPP)

Commuter Benefits

Women's forum / mentoring

Office based in the heart of San Francisco, near plenty of shops and restaurants

Fun opportunities to engage with co-workers in-person and remotely

CONDITIONS OF EMPLOYMENT

Background investigations are required for all positions by 89bio, consistent with

applicable law.

All qualified applicants will receive consideration for employment without regard to race, sex, color,

religion, sexual orientation, gender identity, national origin, protected veteran status, or based on

disability.

89bio is committed to the full inclusion of all qualified individuals. As part of this commitment, 89bio will

ensure that persons with disabilities are provided reasonable accommodations for the hiring process,

and / or to perform essential job functions where the requested accommodation does not impose an undue

hardship.

Notice to Recruiters : To protect the interest of all parties, 89bio does not accept unsolicited resumes and

we ask that employees, hiring managers and executives not be contacted directly. All recruitment is

managed through the 89bio Talent Acquisition Team.

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Medical Director • San Francisco, CA, US