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Anonymously Rate Your Experience & Make Work BetterSpark Therapeutics employees are 8% more likely to recommend Spark Therapeutics as a great place to work
| 50% | Promoters |
|---|---|
| 8% | Passives |
| 42% | Detractors |
Working at Spark Therapeutics is rated average by 14 employees, across various culture dimensions. Spark Therapeutics employees are most satisfied about Compensation, Perks And Benefits, and Happiness categories, putting Spark Therapeutics’s culture in the Top 50% compared to similar sized companies on Comparably and in the Top 40% compared to other companies in Philadelphia, PA. See below in detail how working at Spark Therapeutics was rated by employees.
Overall Company Culture at Spark Therapeutics is rated C+
Last updated months ago
Spark Therapeutics ranks in the Top 50% of other companies on Comparably with 51-200 Employees for Overall Company Culture Score
Share Your Opinion
Anonymously Rate Your Experience & Make Work BetterOut of 18 Spark Therapeutics employee reviews, 87% were positive. The remaining 13% were constructive reviews with the goal of helping Spark Therapeutics improve their work culture.
| Positive Reviews | 87% |
|---|---|
| Constructive Feedback | 13% |
What makes you most happy at work?Great environment, pace, superior leadership, excellent pay/benefits
What are some of the best things about your team?My team continuously pulls for each other, I've never seen a more collaborative team
What do you like best about the leadership team?Committed to our core principles and an immersive employee experience.
What does the leadership team need to get better at?They need to support the people below them. They expect change to be driven but dont support if somone complains. They are also very political and spend more time protecting themselves and job than they do on the job itself
What does the leadership team need to get better at?listen and care about your team members
Spark Therapeutics is focused on the development of gene therapy.
Challenge the inevitability of genetic disease by discovering, developing and delivering treatments in ways unimaginable – until now.
A world where no life is limited by genetic disease.
| Headquarter | 3501 Civic Center Boulevard Philadelphia, PA United States of America |
|---|---|
| Website | sparktx.com |
| Founding Date | 2013 |
| Tel | 1(855)772-7589 |
| Company Status | Public |
| Stock | ONCE |
Spark Therapeutics competitors include bluebird bio and Guardant Health. Spark Therapeutics ranks 1st in Overall Culture Score on Comparably vs its competitors. See below how Spark Therapeutics compares to its competitors with CEO Rankings, Product & Services, NPS, Pricing, Customer Services, Overall Culture Score, eNPS, Gender and Diversity Scores.
14 employees at Spark Therapeutics have reviewed Spark Therapeutics 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 14 Spark Therapeutics employees give their leadership a grade of C-, or Bottom 35% of similar size companies on Comparably. This includes specific ratings of their executive team, CEO, and manager.
Employees at Spark Therapeutics are extremely happy with their total compensation at Spark Therapeutics, which includes a combination of pay, stock and equity, and benefits.
Overall, employees at Spark Therapeutics are pleased with their team. 14 Participants grade the quality of their coworkers a C. The majority believe the meetings at Spark Therapeutics are effective, and the majority look forward to interacting with their coworkers.
The majority of employees at Spark Therapeutics believe the environment at Spark Therapeutics is positive. Most Participants believe the pace of work at Spark Therapeutics is comfortably fast. About 60% of the employees at Spark Therapeutics work 8 hours or less.
Overall, the employees at Spark Therapeutics are generally happy, based on their aggregated ratings of future outlook, customer perception, and their excitement going to work.

The prevailing opinion from Comparably users in Philadelphia, PA about their company is that it was very prepared on their first day. Philadelphia, PA employees concluded that their overall onboarding experience was positive. 73% 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.
At this moment no Spark Therapeutics employees have provided insight into whether or not they clearly understand Spark Therapeutics' KPIs and OKRs.
Jeffrey’s approval rate is lower compared to CEOs at similar sized companies, putting Jeffrey in the Bottom 40% of all CEOs of similar-sized companies on Comparably, and in the Top 50% compared to CEOs of all other companies in Philadelphia, PA. Jeffrey Marrazzo’s employees rank Spark Therapeutics in the Top 5% for Compensation, in the Top 5% for Perks And Benefits, and in the Top 15% for Happiness.
The Spark Therapeutics Executive Team is rated a “C-” and led by CEO Jeffrey Marrazzo, Co-Founder, President and Chief Scientific Officer Katherine High, and Chief Operating Officer John Furey
Jeffrey Marrazzo CEO / President
Jeffrey Marrazzo serves as the CEO / President of Spark Therapeutics.
Katherine High Co-Founder, President and Chief Scientific Officer
Dr. Katherine A. High, also known as Kathy, M.D., has been the President and Chief Scientific Officer at Spark... read more
John Furey Chief Operating Officer
Mr. John Furey has been Chief Operating Officer at Spark Therapeutics, Inc. since December 5, 2016. Mr. Furey is... read more
Daniel R. Faga Chief Business Officer
Mr. Daniel R. Faga, also known as Dan, has been the Chief Business Officer at Spark Therapeutics, Inc. since May 04,... read more
J. Fraser Wright Ph.D. Scientific Co-Founder and Chief Technology Officer
Dr. J. Fraser Wright, Ph.D. serves as Scientific Co-Founder at Spark Therapeutics, Inc. and has been its Chief... read more
Stephen W. Webster Chief Financial Officer
Mr. Stephen W. Webster has been the Chief Financial Officer at Spark Therapeutics Inc. since July 2014. Mr. Webster... read more
Jennifer Wellman M.S. Co-Founder and Head of Regulatory Strategy
Ms. Jennifer Wellman, also known as Jen, M.S. is a Co-Founder of Spark Therapeutics, Inc. Ms. Wellman has been the Head... read more
Daniel F. Takefman Ph.D. Head of Regulatory Affairs
Dr. Daniel F. Takefman, Ph.D. has been the Head of Regulatory Affairs at Spark Therapeutics, Inc. since November 2014.... read more
Beverly L. Davidson Ph.D. Scientific Co-Founder and Advisor
Dr. Beverly L. Davidson, also known as Bev, Ph.D. serves as an Advisor at Intellia Therapeutics Inc. Dr. Davidson serves... read more
How much do people at Spark Therapeutics get paid? See the latest salaries by department and job title. The average estimated annual salary, including base and bonus, at Spark Therapeutics is $100,279, or $48 per hour, while the estimated median salary is $104,447, or $50 per hour.
At Spark Therapeutics, the highest paid job is a Director of Engineering at $170,192 annually and the lowest is an Admin Assistant at $45,690 annually. Average Spark Therapeutics salaries by department include: Sales at $210,072, Business Development at $96,196, Admin at $55,708, and Operations at $87,321. Half of Spark Therapeutics salaries are above $104,447.
8 employees at Spark Therapeutics rank their Compensation in the Top 5% of similar sized companies in the US (based on 24 ratings) while 8 employees at Spark Therapeutics rank their Perks And Benefits in the Top 5% of similar sized companies in the US (based on 8 ratings).
Last updated months ago.
| Summary | Salary Range | Percentile |
|---|---|---|
1st Percentile $61k | $61k | 1st Percentile |
20th Percentile $81k | $81k | 20th Percentile |
40th Percentile $101k | $101k | 40th Percentile |
60th Percentile $172k | $172k | 60th Percentile |
80th Percentile $232k | $232k | 80th Percentile |
100th Percentile $323k | $323k | 100th Percentile |
* Estimated salaries Estimated salaries are based on data provided anonymously by employees and/or estimated by other statistical methods.
The Diversity score provides insights into how diverse employees feel and rate their work experience at Spark Therapeutics across various culture dimensions.
Spark Therapeutics PTO policy is a critical component of the benefits package offered to employees.

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In 2019, Spark Therapeutics applied for 2 H1B visas. Of the work permits applied for, 100% were approved.
H1B Applications Outcome
This data was calculated using publicly sourced data from OFLC Performance Data

Candidates By Department
All Industries | 100% |
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Candidates By Location
Philadelphia | 100% |
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What is Spark Therapeutics address?
Spark Therapeutics location is at 3501 Civic Center Boulevard
Who is the CEO of Spark Therapeutics?
Spark Therapeutics CEO is Jeffrey Marrazzo, their score by employees is 68
What is Spark Therapeutics eNPS?
The eNPS for Spark Therapeutics is 8
What is Spark Therapeutics revenue?
Spark Therapeutics revenue is $12M
What is the salary for Operations Manager in Spark Therapeutics?
Operations Manager average salary in the US is 87k