Mark Alles vs Daniel O’Day | Comparably
VS
Profile Image
Celgene
EMPLOYEE
PARTICIPANTS
22
TOTAL
RATINGS
104
Gilead Sciences Claimed Company
EMPLOYEE
PARTICIPANTS
210
TOTAL
RATINGS
2059

Mark Alles vs Daniel O’Day

Mark Alles Celgene's CEO
Mark Alles
Celgene
Bottom 45%
Bottom 45% of Similar Size Companies on Comparably
C
66/100
VS
Daniel O’Day Gilead Sciences' CEO
Daniel O’Day
Gilead Sciences
Top 50%
Top 50% of Similar Size Companies on Comparably
C+
68/100

Celgene vs Gilead Sciences CEO Comparison Summary

Employees at Celgene rank Mark Alles in the Bottom 40% of CEOs in New York. Comparatively, employees at Gilead Sciences rank Daniel O’Day in the Top 50% of similar sized companies. Employees rate their CEO differently based on the frequency of interaction, ability to affect company culture, and drive measurable results.

Gender Score

Mark Alles Celgene's CEO
Mark Alles
Celgene
N/A
Gender

Not Enough Data

Daniel O’Day Gilead Sciences' CEO
Daniel O’Day
Gilead Sciences
Top 25%
Top 25% of Similar Size Companies on Comparably
B
Gender

Women at Gilead Sciences rated their CEO a B

Diversity Score

Mark Alles Celgene's CEO
Mark Alles
Celgene
N/A
Diversity

Not Enough Data

Daniel O’Day Gilead Sciences' CEO
Daniel O’Day
Gilead Sciences
Top 35%
Top 35% of Similar Size Companies on Comparably
B
Diversity

Diverse Employees at Gilead Sciences rated their CEO a B

Question:
Do you approve of your CEOs management style?

Question:
How would you rate the effectiveness of your CEO to drive business results?

Mark Alles Celgene's CEO
Mark Alles
Celgene
Excellent
0%
Good
0%
Average
0%
Poor
0%
Very Bad
100%
Daniel O’Day Gilead Sciences' CEO
Daniel O’Day
Gilead Sciences
Excellent
0%
Good
100%
Average
0%
Poor
0%
Very Bad
0%

Who Ranks the CEO highest?

Mark Alles Celgene's CEO
Mark Alles
Celgene
Department - N/A
25/100Ethnicity - Caucasian
Tenure - N/A
Education - N/A
23/100Experience - Over 10 Years
Daniel O’Day Gilead Sciences' CEO
Daniel O’Day
Gilead Sciences
100/100Department - Engineering
83/100Ethnicity - African American/Black
85/100Tenure - Less than 1 Year
78/100Education - Master's
93/100Experience - Entry Level