About

Picture of Christopher Holder

Professional Summary


- Interdisciplinary data scientist with 7 years of collaborative experience and a passion for developing interpretable machine learning methods
- Demonstrable capability for designing, implementing, and interpreting AI and machine learning methods from concept to final results
- Extensive experience in open source programming languages, including Python and R
- Excellent written and oral communication, as evidenced by 7 scientific publications, along with datasets, webinars, and numerous conference talks and poster presentations

Education


Ph.D. | Johns Hopkins University | Earth and Planetary Sciences | 2021
Dissertation Title: Using Machine Learning to Understand Phytoplankton Physiology in Natural Environments and Earth System Models
Advisor: Anand Gnanadesikan, Ph.D.

M.A. | Johns Hopkins University | Earth and Planetary Sciences | 2017

B.S. | University of Cincinnati | Environmental Science | 2012

B.S. | University of Cincinnati | Biological Sciences | 2012
Thesis Title: The Effects of Localized Extinction on Population Synchrony
Advisor: Stephen Matter, Ph.D.

Current Occupation


Postdoctoral Researcher | Johns Hopkins University | 2021 - Present
- Designed machine learning models to predict conditions in the global oceans which incorporated 5 TB of information from 18 different data sources and yielded greater than 95% prediction accuracy
- Wrote and presented scientific results to technical and non-technical audiences

Previous Occupations

Doctoral Graduate Researcher | Johns Hopkins University | 2015 - 2021
- Authored three first-author publications applying multiple linear regression, random forests, and neural network ensembles to oceanographic problems
- Co-authored two publications analyzing microbial genetics from the Chesapeake Bay (Submitted and Under Review)
- Presented research at 15 conferences on the applications of machine learning in oceanography
- Participated in two oceanographic cruises for the Bermuda Atlantic Time Series
- Collaborated on projects encompassing multiple research groups on microbial genetics of the Chesapeake Bay
- Supervised, led, and co-taught/assisted in teaching 3 courses which took students on multiweek international trips
- Trained fellow researchers in Ethiopia in the use of equipment to measure various environmental parameters and collaborated on multinational research projects

Environmental Chemist | Pegasus Technical Services | 2011 - 2015
- Managed the progression of 4 projects simultaneously, including communication of progress reports, quality assurance documents, and health & safety plans
- Led teams of 3-5 people to carry out experimental procedures for heavy metal remediation efforts on contaminated waters and soils

Customer Service Manager | Remke Bigg's Markets | 2005 - 2011
- Supervised 3-10 team members daily in the Frontlines department
- Resolved 20-70 customer conflicts per day