Supported by the following organizations
This is to certify that Piotr Zielinski successfully completed and received a passing grade in DAT101x: Data Science Orientation a course of study offered by Microsoft, an online learning initiative of Microsoft Corporation.
Noted by
![Satya Nadella](https://cdn.statically.io/img/courses.edx.org/asset-v1:Microsoft+DAT101x+1T2017+type@asset+block@sig-satya-nadella-prod.png)
Satya Nadella
Chief Executive Officer Microsoft Corporation
![Björn Rettig](https://cdn.statically.io/img/courses.edx.org/asset-v1:Microsoft+DAT101x+1T2017+type@asset+block@Bjorn_Rettig.png)
Björn Rettig
Senior Director Technical Content Microsoft Corporation
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- Verified Certificate Issued January 18, 2017
- Valid Certificate ID 0204d8c4cb7741798af9777c1ea03a0d