Pachyderm, the developer of a machine learning data platform, increased its overall funding to $28m in a series B round led by Microsoft's coroporate venturing arm.

M12, the strategic investment vehicle for computer software firm Microsoft, led a $16m series B round for US-based data science software developer Pachyderm on Wednesday.

The round was backed by accelerator operator Y Combinator, venture capital firms Benchmark and Decibel Ventures, and undisclosed others. Nagraj Kashyap, head of M12, has joined the company’s board of directors in conjunction with the round.

Pachyderm has built a software platform that enables machine learning product developers to track, annotate and store data as…