About Us

We are a wife and husband team who provide evaluation services and insight through data science, quantitative research, and qualitative methods. We take Bitcoin!

Leigh Ariño de la Rubia

Leigh is an interdisciplinary project manager, evaluator, and grant writer with a variety of research, planning, and communication skills. A former education researcher and federal research grant Principal Investigator, Leigh received her Ed.D. in Curriculum & Instruction, her M.S. in the Biological Sciences and is a Certified Scrum Master. A longtime moderator of reddit's AskScience site, she is also a NASA Solar System Ambassador and has taught doctoral-level statistics and research methods using the R language. She has enjoyed engaging in a variety of international and interdisciplinary research projects during her career and appreciates the opportunity to work with diverse groups.

Eduardo Ariño de la Rubia

Eduardo is a lifelong technologist with a passion for data science. He is currently ranked in the top 1% of data scientists on Kaggle, and thrives on helping clients communicate data-driven insights throughout their organization. He is a graduate of the MTSU Computer Science department, General Assembly's Data Science program, and completed the Johns Hopkins Coursera Data Science specialization.


Our clients deserve the fastest hardware, backed by industry standard data science best practices. To meet these requirements, we outsource our analytics hardware and reproducible research management to Domino Data Labs. For evaluation of event based applications, we partner with keen.io for our back end analytics needs and suggest you check them out.

Contact Us

Located in sunny Santa Monica, ppm.io works in-person with clients in Southern California. But don't worry, we've both worked virtually with organizations across North America and on three different continents - and would be happy to work with you regardless of locale. :)

Where We're Learning

The world of data science changes quickly, and we enjoy the pace. We're out and about in the community, attending meetups, listening to talks, and mentoring students whenever we can. Here's where we've been learning lately: