

Diverse employees at ZOLL have rated Perks And Benefits, Environment, and Happiness as the highest categories they have scored
Women at ZOLL have rated Executive Team, Leadership, and Professional Development as the highest categories they have scored
ZOLL employees are -6% more likely to recommend ZOLL as a great place to work
| 33% | Promoters |
|---|---|
| 28% | Passives |
| 39% | Detractors |
Working at ZOLL is rated average by 107 employees, across various culture dimensions. ZOLL employees are most satisfied about Perks And Benefits, CEO Rating, and Compensation categories, putting ZOLL’s culture in the Top 50% compared to similar sized companies on Comparably and in the Bottom 35% compared to other companies in Boston. See below in detail how working at ZOLL was rated by employees.
Overall Company Culture at ZOLL is rated C+
Last updated months ago
ZOLL ranks in the Top 50% of other companies on Comparably with 1,001-5,000 Employees for Overall Company Culture Score
Out of 72 ZOLL employee reviews, 70% were positive. The remaining 30% were constructive reviews with the goal of helping ZOLL improve their work culture.
| Positive Reviews | 70% |
|---|---|
| Constructive Feedback | 30% |
What makes you most happy at work?Helping people and saving lives
What are some of the best things about your team?I cant really say, because we are separate
What is the best part about your compensation package?Bonus pay structure if you do well you can make pretty good money
What does the leadership team need to get better at?Everything. Start listening to your TM that are in the field.
What does the leadership team need to get better at?People management, The HR Team needs some up dateing
What does the leadership team need to get better at?Clear and consistent job duties that dont change every 3 months, better defined goals and vision for future, give and quit moving the goalpost.
Serving citizens, industry, and the environment.
Our mission is to improve resuscitation outcomes by developing and marketing products that deliver: Superior clinical performance Rapid therapy Meaningful information Higher user confidence Economic value.
| Headquarter | Chelmsford, MA United States of America |
|---|---|
| Website | www.zoll.de/ |
| Founding Date | 1980 |
| Company Status | Private |

107 employees at ZOLL have reviewed ZOLL 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 107 ZOLL employees give their leadership a grade of C, or Bottom 45% of similar size companies on Comparably. This includes specific ratings of their executive team, CEO, and manager.
Employees at ZOLL are generally satisfied with their total compensation at ZOLL, which includes a combination of pay, stock and equity, and benefits.
Overall, employees at ZOLL are generally satisfied with their team. 107 Participants grade the quality of their coworkers a C. Less than half believe the meetings at ZOLL are effective, and the majority look forward to interacting with their coworkers.
The majority of employees at ZOLL believe the environment at ZOLL is positive. Most Participants believe the pace of work at ZOLL is extremely fast. About 69% of the employees at ZOLL work 8 hours or less, while 6% of them have an extremely long day - longer than twelve hours.
Overall, the employees at ZOLL are generally happy, based on their aggregated ratings of future outlook, customer perception, and their excitement going to work.

100% 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 ZOLL's KPIs and OKRs is essential for its success. Out of 4 ZOLL employees who’ve answered, “Are your company’s goals clear and are you invested in them?” 2 have said yes.
Jonathan’s approval rate is just above average, putting Jonathan in the Top 50% of all CEOs of similar-sized companies on Comparably, and in the Bottom 40% compared to the CEOs of all other companies in Boston. Jonathan Rennert is well regarded by employees for the Perks And Benefits ZOLL offers, and ranks among the Top 30% of CEOs by employees in that category. Jonathan is most liked by employees with Entry Level experience and Caucasian employees. However, employees in the Engineering department have a slightly unfavorable view of the CEO. With Jonathan’s leadership, ZOLL employee respondents are most happy about their Perks And Benefits and Compensation. Jonathan was rated slightly below average for Diversity.
The ZOLL Executive Team is rated a “C” and led by CEO Jonathan Rennert, VP, Central US Sales Alexa Hall, and Senior Director and Division General Counsel Christine Lynch
Jonathan Rennert CEO / President
Jonathan Rennert serves as the CEO / President of ZOLL.
Alexa Hall VP, Central US Sales
Alexa Hall serves as the VP, Central US Sales of ZOLL.
Christine Lynch Senior Director and Division General Counsel
Christine Lynch serves as the Senior Director and Division General Counsel of ZOLL.
Gary Stone CFO
Gary Stone serves as the CFO of ZOLL.
David Swicegood VP, Information Technology & Security
David Swicegood serves as the VP, Information Technology & Security of ZOLL.
Hortense Allison Vice President Regulatory Affairs
Hortense Allison serves as the Vice President Regulatory Affairs of ZOLL.
Javier Berendsohn Vice President, US Hospital Sales
Javier Berendsohn serves as the Vice President, US Hospital Sales of ZOLL.
John Bergeron Vice President & Treasurer
John Bergeron serves as the Vice President & Treasurer of ZOLL.
David Burns Vice President of Software Development
David Burns serves as the Vice President of Software Development of ZOLL.
How much do people at ZOLL get paid? See the latest salaries by department and job title. The average estimated annual salary, including base and bonus, at ZOLL is $105,300, or $50 per hour, while the estimated median salary is $101,939, or $49 per hour.
At ZOLL, the highest paid job is a Director of Sales at $232,937 annually and the lowest is an Admin Assistant at $44,500 annually. Average ZOLL salaries by department include: Design at $113,225, Engineering at $165,281, Customer Support at $75,858, and Admin at $51,973. Half of ZOLL salaries are above $101,939.
44 employees at ZOLL rank their Compensation in the Top 50% of similar sized companies in the US (based on 142 ratings) while 44 employees at ZOLL rank their Perks And Benefits in the Top 30% of similar sized companies in the US (based on 46 ratings).
Salaries contributed from ZOLL employees include job titles like QA, Marketing Manager, Director of Operations, and Recruiter. Comparably data has a total of 3 salary records from ZOLL employees.
Last updated months ago.
| Summary | Salary Range | Percentile |
|---|---|---|
1st Percentile $61k | $61k | 1st Percentile |
17th Percentile $82k | $82k | 17th Percentile |
33rd Percentile $102k | $102k | 33rd Percentile |
50th Percentile $161k | $161k | 50th Percentile |
67th Percentile $215k | $215k | 67th Percentile |
83rd Percentile $264k | $264k | 83rd Percentile |
100th Percentile $282k | $282k | 100th Percentile |
* Estimated salaries Estimated salaries are based on data provided anonymously by employees and/or estimated by other statistical methods.
Diverse employees at ZOLL score the company 54/100 across various culture categories, placing ZOLL in the Bottom 15% of companies on Comparably with 1,001-5,000 Employees for Comparably's diversity score. The Diversity score provides insights into how diverse employees feel and rate their work experience at ZOLL across various culture dimensions.
ZOLL's PTO and Vacation policy typically gives 20-30 days off a year. Paid Time Off is ZOLL's most important benefit besides Healthcare when ranked by employees, with 50% of employees saying it is the most important benefit. ZOLL's benefits and PTO Package averages to represent a $2500+ cash value per month.

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In 2019, ZOLL applied for 12 H1B visas. Of the work permits applied for, 92% were approved.
H1B Applications Outcome
This data was calculated using publicly sourced data from OFLC Performance Data

Candidates By Department
IT | 14% | |
|---|---|---|
Design | 14% | |
Customer Support | 14% | |
Marketing | 14% | |
All Industries | 14% | |
Other | 29% |
Candidates By Location
Boston | 50% | |
|---|---|---|
Denver | 14% | |
Englewood | 7% | |
Brighton | 7% | |
Phoenix | 7% | |
Other | 14% |
Who is the CEO of ZOLL?
ZOLL CEO is Jonathan Rennert, their score by employees is 67
What is ZOLL eNPS?
The eNPS for ZOLL is -6
What is the salary for Director of Product in ZOLL?
Director of Product average salary in the US is 204k
What are the salaries in the IT in ZOLL?
The average salaries for IT in ZOLL is 106k
What are the benefits at ZOLL?
ZOLL perks and benefits are Dental Insurance & Health Insurance