


Diverse employees at Avantor have rated Environment, Leadership, and Manager as the highest categories they have scored
Women at Avantor have rated Team, Environment, and Work Culture as the highest categories they have scored
Avantor employees are -51% more likely to recommend Avantor as a great place to work
| 17% | Promoters |
|---|---|
| 15% | Passives |
| 68% | Detractors |
Working at Avantor is rated below average by 72 employees, across various culture dimensions. Avantor employees rate Compensation highest among all categories, and think that Work Culture and Perks And Benefits have the most room for improvement, putting Avantor’s culture in the Bottom 5% compared to similar sized companies on Comparably and in the Bottom 5% compared to other companies in Wilmington, DE. See below in detail how working at Avantor was rated by employees.
Overall Company Culture at Avantor is rated F
Last updated months ago
Avantor ranks in the Bottom 5% of other companies on Comparably with 10,000+ Employees for Overall Company Culture Score
Share Your Opinion
Anonymously Rate Your Experience & Make Work BetterOut of 57 Avantor employee reviews, 43% were positive. The remaining 57% were constructive reviews with the goal of helping Avantor improve their work culture.
| Positive Reviews | 43% |
|---|---|
| Constructive Feedback | 57% |
What did you like most about the interview process?Candid conversation and relaxed environment
What is most positive about the culture and environment at your company?A recent push for diversity.
What do you like best about the leadership team?Open to hearing feedback and ideas and acting on them.
What do your coworkers need to improve and how could you work together better?Learn to work as teams, get out of the ivory tower.
Why do you feel undervalued and what would make you feel better about your compensation?Underpaid sales force with little professional training or skills and those that do go above and beyond are not deferentially compensated. little opportunity for growth, workforce cut back to the point that little can get done. The lack of creativity and sophistication by management is startling.
What does the leadership team need to get better at?Stop talking about “our people are our most important asset” and act like it. I have seen the best performers leave almost as a rule. They go to the competition and typically thr
Avantor is a leading global provider of mission-critical products and services to customers in the biopharma, healthcare, education & government, and advanced technologies & applied materials industries. We operate in more than 30 countries and deliver an extensive portfolio of products and services.
Avantor was founded in 1904 and its current CEO is Michael Stubblefield. Since its inception 122 years ago, Avantor has grown to 14500 employees.
We set science in motion to create a better world.
From discovery to delivery, we are a trusted global partner to customers and suppliers in the life sciences, advanced technologies and applied materials industries.
Our sustainability commitment ensures Avantor's everyday actions generate positive impact on the environment and society. With sustainability embedded throughout our business, we fulfill our mission of setting science in motion to create a better world. This is Science for Goodness. Download our latest sustainability report: https://www.avantorsciences.com/pages/en/sustainability
Avantor’s commitment to environmental sustainability inspires how we work, collaborate, and positively impact the world. By reducing our greenhouse gas (GHG) emissions, developing innovative sustainable product solutions, and improving our packaging and delivery systems, we are advancing sustainability from discovery to delivery.
Avantor's philanthropic initiatives generate positive, enduring impact on the planet, society, and the communities where we work. Rooted in our mission to set science in motion to create a better world, we collaborate with local organizations across the globe to increase STEM education programs for underserved high school students, provide equitable access to quality healthcare and demonstrate environmental stewardship where Avantor has a presence.
Our Avantor Foundation, the philanthropic branch of Avantor, Inc., partners with organizations across the globe that share our goal of ensuring equitable access to quality healthcare and STEM education for underserved communities.
Volunteering our time expands the goodness we create together, in our local communities and across the globe. At Avantor, we encourage our associates to make a difference in our communities. By leveraging the Avantor Foundation’s Giving Goodness portal, associates can search and sign up for volunteer opportunities. Associates can also, submit personal volunteer time for a financial match through our Dollars for Doers program. Volunteer opportunities range from onsite kitting activities, such as making STEM kits for students, to offsite volunteer events including park clean-ups and visiting patients at a Children’s Hospital.
| Headquarter | 100 Matsonford Rd #200 Norristown, PA 19087 United States of America |
|---|---|
| Website | www.avantorsciences.com |
| Founding Date | 1904 |
| Tel | +1855-282-6867 |
| Company Status | Public |
| Stock | AVTR |
| Jobs | careers.avantorsciences.com/global/en |
| Social Sites |
Avantor competitors include Agilent Technologies, Merck, Thermo Fisher Scientific, and Bio-Rad Laboratories. Avantor ranks 5th in Overall Culture Score on Comparably vs its competitors. See below how Avantor compares to its competitors with CEO Rankings, Product & Services, NPS, Pricing, Customer Services, Overall Culture Score, eNPS, Gender and Diversity Scores.










Avantor has 14500 employees. 72 employees at Avantor have reviewed Avantor across various culture dimensions, providing their opinions on items ranging from executive ratings to the pace at work. The latest review was months ago.
Overall, the 72 Avantor employees give their leadership a grade of F, or Bottom 5% of similar size companies on Comparably. This includes specific ratings of their executive team, CEO, and manager.
Employees at Avantor are mostly dissatisfied with their total compensation at Avantor, which includes a combination of pay, stock and equity, and benefits.
Overall, employees at Avantor are mostly dissatisfied with their team. 72 Participants grade the quality of their coworkers an F. Less than half believe the meetings at Avantor are effective, and half of them look forward to interacting with their coworkers.
The majority of employees at Avantor believe the environment at Avantor is negative. Most Participants believe the pace of work at Avantor is extremely fast. About 40% of the employees at Avantor work 8 hours or less, while 4% of them have an extremely long day - longer than twelve hours.
Overall, the employees at Avantor are dissatisfied, based on their aggregated ratings of future outlook, customer perception, and their excitement going to work.

The prevailing opinion from Comparably users in Wilmington, DE about their company is that it was very prepared on their first day. Wilmington, DE employees concluded that their overall onboarding experience was positive. 74% said their direct manager was helpful with their acclimation during the first 90 days. First impressions are important, and how prepared a company is on your first day leaves a lasting impression.
Employees’ understanding of Avantor's KPIs and OKRs is essential for its success. Out of 2 Avantor employees who’ve answered, “Are your company’s goals clear and are you invested in them?” 1 have said yes.
Avantor’s CEO Michael Stubblefield started in this role in 2014. Michael’s approval rate is lower compared to CEOs at similar sized companies, putting Michael in the Bottom 5% of all CEOs of similar-sized companies on Comparably, and in the Bottom 5% compared to CEOs of all other companies in Wilmington, DE. Michael Stubblefield’s employees rank Avantor in the Bottom 10% for Compensation, in the Bottom 10% for Professional Development, and in the Bottom 5% for Environment. Stubblefield is generally unpopular with Avantor employees, but ranks especially low with employees identified with Other ethnicities, and by employees with the company for 2 to 5 Years and Female employees. However, employees with 1 to 3 Years experience have a slightly more favorable view of the CEO. When compared to Avantor’s competitors, Michael Stubblefield ranks below both Bio-Rad Laboratories CEO Norman Schwartz and Thermo Fisher Scientific CEO Marc Casper.
The Avantor Executive Team is rated a “F” and led by CEO Michael Stubblefield, Executive Vice President and Chief Financial Officer Thomas A. Szlosek, and Executive Vice President, Americas James Bramwell
Michael Stubblefield CEO / President
Michael Stubblefield is our President and CEO, a position he has held since May 2014. Prior to assuming his current... read more
Thomas A. Szlosek Executive Vice President and Chief Financial Officer
Thomas A. Szlosek is Avantor’s Executive Vice President and Chief Financial Officer. As CFO, Mr. Szlosek oversees:... read more
James Bramwell Executive Vice President, Americas
James Bramwell is our Executive Vice President, Americas. Mr. Bramwell is responsible for our Americas and global... read more
Dr. Ger Brophy Executive Vice President, Biopharma Production
Dr. Ger Brophy is our Executive Vice President, Biopharma Production. In his current role, Dr. Brophy is responsible for... read more
Christophe Couturier Executive Vice President, AMEA
Christophe Couturier is our Executive Vice President, AMEA. He has extensive strategic leadership experience in the life... read more
Meghan Henson Executive Vice President and Chief Human Resources Officer
Meghan Henson is our Executive Vice President and Chief Human Resources Officer (CHRO). Ms. Henson is responsible for... read more
Allison Hosak Senior Vice President, Global Communications and Brand
Allison Hosak is our Senior Vice President, Global Communications and Brand. She is responsible for executive, employee... read more
Sheri Lewis Executive Vice President, Global Supply Chain
Sheri Lewis is our Executive Vice President, Global Supply Chain. Ms. Lewis is globally responsible for all aspects of... read more
Justin Miller Executive Vice President, General Counsel and Secretary
Justin Miller is our Executive Vice President, General Counsel. In his current role, Mr. Miller leads our global Legal... read more
How much do people at Avantor get paid? See the latest salaries by department and job title. The average estimated annual salary, including base and bonus, at Avantor is $147,863, or $71 per hour, while the estimated median salary is $150,998, or $72 per hour.
At Avantor, the highest paid job is a Director of Sales at $231,647 annually and the lowest is a Receptionist at $39,278 annually. Average Avantor salaries by department include: Legal at $191,425, Design at $114,143, Sales at $153,360, and Marketing at $153,328. Half of Avantor salaries are above $150,998.
29 employees at Avantor rank their Compensation in the Bottom 10% of similar sized companies in the US (based on 87 ratings) while 29 employees at Avantor rank their Perks And Benefits in the Bottom 5% of similar sized companies in the US (based on 30 ratings).
Last updated months ago.
| Summary | Salary Range | Percentile |
|---|---|---|
1st Percentile $75k | $75k | 1st Percentile |
17th Percentile $112k | $112k | 17th Percentile |
33rd Percentile $146k | $146k | 33rd Percentile |
50th Percentile $201k | $201k | 50th Percentile |
67th Percentile $246k | $246k | 67th Percentile |
83rd Percentile $276k | $276k | 83rd Percentile |
100th Percentile $307k | $307k | 100th Percentile |
* Estimated salaries Estimated salaries are based on data provided anonymously by employees and/or estimated by other statistical methods.
Diverse employees at Avantor score the company 46/100 across various culture categories, placing Avantor in the Bottom 5% of companies on Comparably with 10,000+ Employees for Comparably's diversity score. The Diversity score provides insights into how diverse employees feel and rate their work experience at Avantor across various culture dimensions.
To us, creating a better world is not only about moving science forward. It’s also about standing firm in our commitment to diversity, equity, and inclusion, ensuring it's foundational to everything we do – from the talent we hire to the programs we offer. We are on a journey to build a welcoming workplace where everyone can thrive. We’re dedicated to constantly improving our culture now and in the future.,,To stay true to our commitment, we’ve set goals and invested in programs, initiatives, and Associate Centric Teams (ACTs) that create support systems and curate an inclusive workplace across our global community.,,Current ACTs include:,GBACT (Global Black ACT),Women in Business,PRIDE Network (LGBTQIA+),Diverse Abilities,VETS ACT (veterans),New Professionals,ALMA (Avantor Latinos Moving Ahead),Pan-Asian Middle East,,Watch our 2023 recap to learn more about our DE&I journey and all the accomplishments from last year: https://youtu.be/3j05SDu5wpg?si=DIdSAON92Dtf83m9
Avantor's PTO and Vacation policy typically gives 0-10 days off a year. Avantor's benefits and PTO Package averages to represent a $500 -$1000 cash value per month.

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Candidates By Department
Product | 100% |
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Candidates By Location
Wilmington | 100% |
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What is Avantor address?
Avantor location is at 100 Matsonford Rd #200
Who is the CEO of Avantor?
Avantor CEO is Michael Stubblefield, their score by employees is 47
What is Avantor eNPS?
The eNPS for Avantor is -51
What is the salary for Principal Engineer in Avantor?
Principal Engineer average salary in the US is 158k
What are the salaries in the Admin in Avantor?
The average salaries for Admin in Avantor is 67k