GRAIL reviews

2.9

42% would recommend to a friend

(217 total reviews)

Bob Ragusa

39% approve of CEO

32% positive business outlook

GRAIL has an employee rating of 2.9 out of 5 stars, based on 217 company reviews on Glassdoor which indicates that most employees have an average working experience there. The GRAIL employee rating is in line with the average (within 1 standard deviation) for employers within the Pharmaceutical & Biotechnology industry (3.5 stars).

Reviews by job title

217 reviews
5.0
Jun 24, 2018

Can't imagine working anywhere else

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Opportunity to develop products that will change all of our lives. The opportunity to work with bright and hard-working individuals. There is incredible expertise in tech and healthcare throughout the company. All departments have crazy-smart dedicated people who freely share their knowledge. There is ample opportunity to learn every day. Also get to interact with many well-regarded external scientific experts. Fun environment with free food and extracurricular and team building activities. A fast-paced and nimble environment in which solid decisions are made.

Cons

Work-life balance is difficult. Long hours needed to keep up with the fast pace.

2.0
Apr 30, 2026
Recommend
CEO approval
Business Outlook

Pros

- Important mission to detect cancer early with meaningful potential to save lives - Talented employees across teams - employees really care about the work they are doing - Fast-paced work environment with some learning opportunities

Cons

My experience at GRAIL was shaped by consistent cultural and leadership challenges. - Toxic leadership culture: Executive team dynamics can feel immature and relationship-driven rather than professional and data-based. - Limited leadership experience: Several senior leaders appear to lack business and operating experience, which shows in inconsistent business strategy and weak executional discipline. - After two rounds of layoffs, the work-life balance has gotten significantly worse - Favoritism: Advancement does not consistently feel merit-based, with visible patterns of favoritism - Impact on women leaders: Female leaders are often passed over or leave the company for more equitable environments. * HR ineffectiveness: HR is aware of these issues, but has not driven any meaningful change. - Leadership turnover: These dynamics are contributing to ongoing attrition, especially among experienced leaders who have other options.

avatar
GRAIL Response
1mo
Thank you for the work you do to help GRAIL achieve our mission to detect cancer early. As we continue to improve our employee experience, we welcome the opportunity to discuss your feedback directly. We hope you will reach out to your management or HR business partner so we can continue to support employee success at GRAIL.
3.0
Mar 20, 2026

Good company with some leadership opportunities

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

I joined GRAIL because of it's mission, and I stay because I believe GRAIL will accomplish it. Yes, there has been a few setbacks. It was especially painful to see our stock get cut in half, but that was due to a market overreaction to a "failed trial". The trial was actually very successful in proving the test's credibility. Unfortunately, the primary goal needed more time to bare out. I was happy to see that our benefit premiums had very low increases despite the current market shifts. What GRAIL lacks in the way of career advancement, they do try to make up for in other ways. We have had some challenges with cash burn in the past, but we now have investors who have given us a cash runway until 2030, and our new CEO, who is replacing our current one in June, is well respected, a doctor, and has a good head on his shoulders. I'm excited to see what new era he will be driving us into.

Cons

I am in agreement with the folks saying that senior leadership needs to be improved. They often spend too much time on things that don't move the business forward. Some leaders are more effective than others, but the squeaky wheel gets the grease. There have been some rollbacks of certain benefits I had found very attractive, such as the loss of our summer week. The entire company shut down for 2 weeks out of the year, but now we have reduced that to the 1 winter week. Also, there had been more flexibility to work from home, but now there is the expectation that if you live near an office you have to come in at least 2 days per week.

avatar
GRAIL Response
2mo
Thank you for sharing what you love about GRAIL and where you hope we can improve. We take your feedback seriously and will share it with the leaders to review.
Viewing 82 - 84 of 217 Reviews

Glassdoor has 239 GRAIL reviews submitted anonymously by GRAIL employees. Read employee reviews and ratings on Glassdoor to decide if GRAIL is right for you.