Matthew de Waal Malefyt

Data Analyst

Brooklyn, New York, United States15 yrs 9 mos experience
Highly Stable

Key Highlights

  • Proven expertise in data analysis and visualization.
  • Strong background in AI/ML research and development.
  • Effective team leader with a tenacious work ethic.
Stackforce AI infers this person is a Data Analyst with a strong focus on AI and Healthcare analytics.

Contact

Skills

Core Skills

Data AnalysisEtl DevelopmentData VisualizationResearchSoftware DevelopmentBusiness DevelopmentProject Management

Other Skills

Computer ProgrammingTeam ManagementPostgreSQLMicrosoft SQL ServerTableauPower BITenacious Work EthicTime Management Under PressurePython (Programming Language)Interpersonal SkillsTeam LeadershipOrganization Skills3-D ModelingPathfinderCustomer Service

About

I am a Data Analyst who is positive, driven, analytical, and goal-oriented. I am enrolled in an AI and Cybersecurity certificate, with experience spanning IT operations, computer networking, and AI/ML research. Programming languages include Python, SQL, Java, JavaScript, C++, and HTML/CSS. I am passionate about deriving actionable insights from data that foster improvement and drive meaningful change.

Experience

15 yrs 9 mos
Total Experience
5 yrs 8 mos
Average Tenure
4 yrs 10 mos
Current Experience

Healthfirst

Data Analyst

Sep 2025Present · 9 mos · New York, New York, United States · Hybrid

  • In this position, I worked with data visualization and analytics platforms such as Tableau and Power BI to design and build data constructs that supported business and research insights. I developed, maintained, and optimized ETL pipelines to ensure reliable data ingestion and transformation across systems. Additionally, I contributed to the construction of a Data Lakehouse architecture, leveraging AWS services to support scalable storage, processing, and analytics. Throughout my work, I operated effectively in a time-restrictive, team-based environment with minimal guidance, delivering accurate and actionable insights.
Data AnalysisComputer ProgrammingTeam ManagementPostgreSQLMicrosoft SQL ServerETL Development

Rwjf

Information Technology Intern

Jun 2024Aug 2024 · 2 mos · Princeton, New Jersey, United States · Hybrid

  • In this role, I managed AI technical software (Zoom AI and CoPilot) to improve overall employee efficiency by 30%. Additionally, I oversaw hundreds of data points to construct complex visual representations for the entire organization. Furthermore, I increased employee productivity by 15% via implementing and operating room reservation software (Tango). Lastly, I liaised with over 20 experts across multiple company divisions to construct advanced data simulation.

The washington post

Contributor

May 2024Aug 2024 · 3 mos · 1301 K Street NW, One Franklin Square, Washington, D.C. 20071 · Remote

  • As a contributor for the Washington Post, I collaborated with editors to write, edit, and publish an Opinion & Reviews column on the hot subject of AI. The article explores the intersectionality of philosophy and AI by examining how overoptimistic investor mindsets are overvaluing AI startups lending credibility to the perception that there is an AI market bubble.

Entrepreneurs of tomorrow

Data Analyst

Jul 2023Dec 2023 · 5 mos · Remote · Remote

  • I designed strategic solutions for cost and manufacturing problems for startup businesses. I also coordinated and presented large-scale projects concerning growth and development of tech businesses.
Tenacious Work EthicTime Management Under PressureCustomer ServiceBusiness DevelopmentBusiness StrategyCommunication+5

Columbia university

Research Scientist

Jun 2023Present · 3 yrs · Remote · Remote

  • In this position, I coded basic software to create a 3-D model of a subway station using simulator applications such as Pathfinder. Currently, I am helping develop COVID-19 research through my work in various research projects. In my work, I operate successfully in a time-restrictive team-based environment with minimal guidance.
Tenacious Work EthicTime Management Under PressureComputer ProgrammingPython (Programming Language)Interpersonal SkillsTeam Leadership+3

Equity by design, llc

Researcher

Nov 2022Mar 2023 · 4 mos · Brooklyn, New York, United States · On-site

  • In this position, I researched findings and shifted through data in order to aid in the publication of a book. In doing so I concerted with 5 other researchers to share and organize large swaths of data.
Tenacious Work EthicTime Management Under PressureCommunicationTeam LeadershipOrganization Skills

Inroads

INROADS scholar

Aug 2021Present · 4 yrs 10 mos · New York, New York, United States · Remote

  • In this role, I collaborated with industry-leading experts to discuss collaborated with mentors and corporate leaders to enhance career readiness and build a professional network. Additionally, I developed professional skills such as project management, teamwork, and effective communication through INROADS training workshops. Lastly, I gained hands-on experience in the IT and cybersecurity field through a paid internship at the Robert Wood Johnson Foundation.

Center for digital transformation

Data Analytics Intern

May 2020Jun 2020 · 1 mo · Remote · Remote

  • Liaised with 2 other data scientists to identify business oversights and effective solutions for organizations where we operated technical software (Tableau) to organize data and illustrate findings. Using these findings, we troubleshot strategic methods of resolving city planning oversights and presented it in front of a panel of judges where we received high praise.

Netflix

Brand Ambassador

Apr 2020Sep 2020 · 5 mos · Brooklyn, New York, United States · On-site

  • Brand ambassador for top-rated show, Stranger Things. In this role, I acted as a greeter, ticket scanner, and actor in engaging a live audience. Additionally, I operated and managed complex machinery creating an immersive experience for Stranger Things.
Tenacious Work EthicTime Management Under PressureCustomer ServiceCommunicationInterpersonal SkillsTeam Leadership+1

Conservation rangers operations worldwide

Project Intern

Sep 2018Jan 2020 · 1 yr 4 mos · Brooklyn, New York, United States · On-site

  • As a team of 15 interns, we prepared and coordinated sustainability initiatives, fertilizer, and weed removal. Afterward, we drafted personalized gifts to preferred clients and augmented conservation awareness

New york botanical garden

Volunteer

May 2018Jul 2020 · 2 yrs 2 mos · Brooklyn, New York, United States · On-site

  • In a group of about 10 volunteers, we generated flyers for events and related contests to increase foot traffic, completed extensive training in crowd maintenance operations and efficiency, and contributed to online website initiatives and increased online responsiveness and engagement.
Tenacious Work EthicTime Management Under PressureShifting Through Large Amounts of DataTeam BuildingEfficient Delegation of TasksComputer Programming+7

Boy scouts of america

2 roles

Eagle Scout

Sep 2010Sep 2021 · 11 yrs · New York, New York, United States · On-site

  • I was a patrol leader for 34 scouts, helping younger scouts earn Merit Badges for rank advancement. Additionally, I participated in 500+ hours of community service with Brooklyn Botanic Garden and CHiPS Soup Kitchen. Furthermore, I personally organized and led the renovation of a local church, enhancing the garden space for congregants.

Eagle Scout

Sep 2010Sep 2021 · 11 yrs · New York, New York, United States · On-site

  • I acted as a patrol leader for 34 scouts, helping younger scouts earn Merit Badges for rank advancement. Additionally, I participated in 500+ hours of community service with Brooklyn Botanic Garden and CHiPS Soup Kitchen. Furthermore, I personally organized and led the renovation of a local church, enhancing the garden space for congregants.

Education

Fordham University

Certificate — Cybersecurity

Sep 2025Jul 2026

Fordham University

Bachelor's degree — Computer Science and Philosophy

Aug 2021May 2025

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