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Zehui B.

Zehui B.

Senior Biostatistician | FDA 510k| SAS | R | 50+ Clinical Trials

I am a senior biostatistician and have participated in more than 50 international clinical trials from phase 1 to 4 for drug studies and pre- and post-market medical device studies in (Oncology, Ophthalmology, Respiratory Disease, Chronic Pain, Allergology, Chronic inflammation, Wound care, Aesthetic Medicine, COVID-19, etc.). I have successfully supported regulatory approvals for Phase III drug studies, as well as FDA 510k approval for medical device. SAS, R programming are my tools, machine learning algorithms are also a powerful means for data exploration and analysis, and solid statistical knowledge and an aggressive attitude are my cornerstones.

🇩🇪Goettingen, Germany$80/hr40% JSS4.82 (11)Since Feb 2023

Earnings and projects

MRR
$198

Last 6 months ÷ 6

World#113,718 / 412k
🇩🇪Country#859 / 3,842
Revenue, last 30 days
$0

Last 6 months: $1.2k

Total earnings
$149k

Billed in all: $156k

World#23,708 / 412k
🇩🇪Country#155 / 3,842
Per project
$4.8k

$1.2k in the last 6 months

World#36,161 / 412k
🇩🇪Country#213 / 3,842
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇩🇪Country#1,059 / 3,842
Projects in all
31

Across 34 contracts

26% fixed74% hourly
World#94,778 / 412k
🇩🇪Country#754 / 3,842

Earnings, last 30 days

$156kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$152k$154k$156k$158kOct 8Oct 23Nov 7

Skill rankings: Top 17% in SAS

Ranked by MRR among everyone on Upwork with the skill.

  1. #40SAS239 freelancers · 🇩🇪 #1Top 17%
  2. #73Macro Programming285 freelancers · 🇩🇪 #1Top 26%
  3. #292R1,693 freelancers · 🇩🇪 #6Top 17%
  4. #320Machine Learning Model1,169 freelancers · 🇩🇪 #6Top 27%
  5. #349SAP1,084 freelancers · 🇩🇪 #2Top 32%
  6. #4,053Data Analysis14,625 freelancers · 🇩🇪 #39Top 28%
  7. #8,242Python31,606 freelancers · 🇩🇪 #84Top 26%