Jul 2023 – Dec 2025 · 2 yrs 5 mos

• ⭐️ "This book has the potential to become the definitive guide for data contracts! I can't wait to dive into the rest of it and unlock even more valuable insights!"
• ⭐️ "The initial read is clear and provide a good potted history of the data problem and how it has organically morphed due to so many factors. I can't wait for the rest of the book"
• ⭐️ "This book has the potential to become the bible of data contracts especially as the world moves towards intelligent applications. Data is essential to applications that use AI, and having a good contract is paramount towards establishing trust between systems and having a seamless experience. Looking forward to the full publication!"

May 2023 – Present · 2 yrs 11 mos

• ⭐️ "Took a few hours out of my Saturday to dive into data engineering with DBT, and had the opportunity to pair program with Mark... Great work on the new course, Mark. I sure learned a lot, and I'm confident others will benefit from it as well. As someone who's relatively new to data engineering, this short course was an eye-opener. It expanded my understanding of the scalability and possibilities within the field."
• ⭐️ "I completed Mark's course over the weekend and thought it was a GREAT introduction to using DBT. For people looking for a low-stakes, easy-to-follow introduction to DBT as a tool for data engineering, I think you would be pressed to find something more effective."
• ⭐️ "I would like to thank Mark... for creating such a comprehensive, engaging & pure hands on course on dbt. He explained the concepts clearly & demonstrated them with practical examples and exercises."
• ⭐️ "I was excited when I saw this course on your page, i know this is going to be the course I needed to start my DBT journey and you did not disappoint, Thank you"

Feb 2023 – Present · 3 yrs 2 mos · Seattle, Washington, United States

• Joined as employee-one to lead GTM at Gable to help us reach our first customers.
• Reported directly to the CEO and led the development and execution the go-to-market
• strategy which resulted in a successful launch, 4000+ leads, and 300+ meetings with
• senior data engineers and leaders, ranging from scaleups to Fortune 500 companies—
• this was integral for our ability to raise a Series A. (https://bit.ly/4eDwbPE)
• Co-authored the O’Reilly book "Data Contracts: Developing Production Grade Pipelines at Scale,"
• contributing all the technical chapters, and positioning Gable as thought leaders of an
• emerging category within the data market. (https://bit.ly/3XIu4mF)
• Served as a technical expert by presenting at conferences on data engineering topics and providing thought leadership via blogs.
• Built Gable’s marketing and sales stack with an emphasis on data capture, automation,
• and analytics that enabled automated qualification, conversion into meetings, and nurture
• campaigns for leads—while establishing the underlying data model.
• Served as a sales engineer, mapping technical requirements to Gable’s product roadmap,
• building champions among directors plus data leaders, creating data strategy decks for
• clients, and closing multiple accounts.
• Served as a data scientist, providing insights and visualizations for Gable’s executive team
• for presenting sales metrics to the board and potential investors.

Nov 2022 – Dec 2022 · 1 mo

• Build ETL pipelines to bring third-party data sourced from APIs to combine with our product data, creating rich data assets to drive product feature creation and customer analytics.
• Built buy-in, developed the transition plan, and led the migration of the orchestration of data transformations from manually created scheduled queries to data build tool (dbt)-- which enabled version control of our semantic layer, data quality checks, and data discoverability of data assets within our data warehouse.
• Led the development of an internal data quality engine to increase test coverage of core data pipelines and implement data observability.

Apr 2022 – Nov 2022 · 7 mos

• Driving forward the organization’s data strategy by:
• 1) Conducting user interviews to understand the organization’s data pain points.
• 2) Identifying the need for data marts to increase data access.
• 3) Scoping overhaul of our data pipelines and warehouse.
• 4) Sourcing data ingestion vendors.
• 5) Fostering leadership buy-in via building minimum viable products.

Nov 2021 – Apr 2022 · 5 mos

• Led the development of the Data Science team’s custom R package and managed the internal distribution and upgrading.
• Implemented CI/CD utilizing Docker and CircleCI to ensure changes to the Data Science codebase passes tests and prevent breaks to our internal packages.
• Assisted in doubling the Data Science team via interviewing, onboarding, and technical mentorship for upskilling colleagues.

Aug 2020 – Nov 2021 · 1 yr 3 mos

• Developed and put into production an NLP pipeline via Python that takes raw text data, classifies respective texts' themes, and ranks and assigns text to relevant insights within customer reports (https://bit.ly/3yAeBqu).
• Designed and put into production via Python an algorithm to classify user activity—output became org’s main product health metric and was validated with both statistical significance and UX research interviews (https://bit.ly/3yt5QhY).
• Support the VP of Product in strategic product decisions by refining business questions, conducting log analytics via SQL and R, and creating reports shared org-wide.

Jul 2021 – Present · 4 yrs 9 mos

• I help brands connect to data professionals via content strategy, GTM strategy, and influencer marketing. Learn more at onthemarkdata.com.
• Built a brand with an audience of 40k+ data professionals via social media content, technical blogs, and video-- which has harnessed over 14MM impressions.
• Established the weekly Scaling DataOps newsletter, with 7k+ subscribers, where I interview data leaders and executives on data best practices in scaling data infrastructure.
• Built a revenue stream around sponsored content from top data brands such as Nvidia, SuperDataScience, Scale AI, and much more.

Jun 2020 – Jan 2021 · 7 mos

• Made it to the final round of interviews for Y Combinator, where we presented our pitch deck to their investment team and described the business opportunity within the pharmacy space in reducing the burden of DIR fees.
• Developed an MVP of our data product that utilized analytics and machine learning to rank users at risk for lowered medication adherence and forecast DIR fees.
• Conducted deep market research on pharmacy business models, pharmacy supply chains, and PBM reimbursement processes.

Nov 2019 – Jun 2020 · 7 mos

• Utilize deep understanding of medical claims and EHR data, in conjunction with strong SQL and PySpark skills, to work with data that contains over 63 million patients, 274 million patient encounters, and over 10 billion data points amongst 55 separate EHRs
• Developed and deployed into production an algorithm via Apache Spark that classified insurance types for over 250 million records, utilizing unstructured EHR data, that improved both accuracy from 40% to 84% and reduced null values from 16% to <1%
• Support sales team in 21 potential contracts by determining viability of our data assets through defining research and business questions, developing SQL and PySpark code to build cohorts, providing insights on quality issues within data, and creating data reports to communicate findings to non-technical staff
• Conduct an algorithm assessment on a key variable and identified errors impacting 1.3 billion records, as well as provide recommendations to the algorithms team to rectify the error—assessment was utilized to help certify new data architecture

Feb 2019 – Jan 2020 · 11 mos · Stanford, California

• Developed R script for department’s ETL process, that transforms data into cleaned variables and removed duplicate observations based on defined logic—reducing data cleaning time of analysts by 10 hours per project
• Completed an exploratory analysis through conducting 48 multiple regression models to understand relationship between biometric data and self-reported wellbeing data, thus identifying 3 viable hypotheses to further investigate and ensuring the lab diverts resources to impactful studies
• Updated methods of a previous propensity score match analysis, lowering the SDM for all variables from 0.17-0.21 to <0.10, resulting in the analysis now meeting required match assumptions and improving the manuscript strength for publishing: matching accounts for observed confounder bias

Aug 2018 – Sep 2019 · 1 yr 1 mo · San Francisco, California

• Developed and operationalized a Python script, utilizing pandas, that identifies discrepancies between insurance enrollment data and network partner data— reduced manual work process time from 98 to 16.3 hours a year (time saved grows with number of added clients)
• Developed and operationalized a Python script, utilizing pandas, that takes 3 sources of data and creates custom reports for respective insurance partners’ specification— reduced manual work process time from 52 to 4.3 hours a year
• Utilize SQL to pull necessary data to resolve insurance eligibility issues and other related operations work

Jan 2018 – Jan 2021 · 3 yrs

• • Lead organization’s evaluation efforts through developing a standardized survey utilizing CSAT and NPS scores, transitioning administration from paper to Google Forms, and providing analysis and data visualizations of services data—resulting in a 24% increase in survey response rate and 2 reports used by org’s Executive Director for fundraising

Jan 2018 – Jun 2018 · 5 mos

• Tasked with the role of developing a new clinic-based food insecurity program to address childhood hunger
• Developed a multi-phased strategic plan to achieve established deliverables and align stakeholder needs
• Conducting informal community needs assessment based on focus groups, surveys, and analysis of existing data
• Researching and summarizing legislation and non-profit programming related to childhood food insecurity
• Developing program implementation strategy to outline stakeholder roles and program processes
• Developing evaluation plan to effectively assess program's impact, outcomes, and adherence to design

May 2017 – Sep 2017 · 4 mos · San Francisco, California

• Served as project coordinator in which I led the development of our product’s healthy behavior modules, through creating, organizing, and managing over 1200 pieces of unique content to maximize user engagement
• Developed project guidelines essential for the speed and efficiency to meet our product launch deadline, and future product additions
• Utilized deep understanding of social sciences and health to curate engaging science based content for LifeDojo's corporate wellness product
• Developed a dashboard that automatically tracked project progress and hours required until completion for the development of our content database

Aug 2016 – Jun 2017 · 10 mos · Stanford, California

• Developed and implemented university-wide outreach plans to encourage student engagement in public service
• Surpassed previous year’s outreach target by increasing number of students outreached to from 974 to 2,525
• Advised students on best practices for community engagement and ethical and effective forms of community service
• Developed and implemented Greek student organization outreach strategy, and increased Haas engagement from zero Greek councils to all four councils
• Created educational workshops and materials regarding community partnership and sustainable forms of public service
• Developed and facilitated multiple staff trainings, serving as an active member of the Staff Development Committee

Apr 2016 – Apr 2016 · 0 mo · Berkeley, CA

• Presented own original research on the Black Lives Matter movement and the social mechanisms behind individual perceptions of the movement
• Danesha McCoy Award recipient for outstanding scholarship and being one of the highest scoring presenters

Apr 2015 – Aug 2016 · 1 yr 4 mos · Davis, CA

• Research, under the supervision of Dr. Drew Halfmann, focused on healthcare disparities of African Americans and the effect of social economic status on health
• Gather and analyze numerous sources to develop multiple reports in the form of literature reviews

Apr 2015 – Aug 2016 · 1 yr 4 mos · University of California, Davis

• Developed a student peer mentoring program targeted towards incoming pre-health transfer students
• Established program infrastructure, created educational workshops, and formed a selection process to recruit students
• Planned, coordinated, and implemented 10 plus events focused on pre-health student success and engagement
• Raised $2000 through project proposal to host a UC Davis admissions event to recruit pre-health students
• Oversaw 25 mentors and 30 mentees in addition to building and maintaining relationships with own personal mentees
• Assisted in handling student problems and or pre-health related questions as a student peer advisor
• Designed a social media campaign to advertise mentoring program and engage target audience through content

Jan 2015 – Jun 2016 · 1 yr 5 mos · Sacramento, California Area

• Provide outreach to the Oak Park community to build and maintain relationships with residents and patients
• Develop a marketing plan based on patient data to increase and improve clinic’s engagement with target demographic
• Conduct patient interviews to document chief complaints, vitals, and social background in addition to relaying respective information to medical students and physicians

Sep 2014 – Aug 2016 · 1 yr 11 mos · Davis, CA

• Assist in managing applicant services, specifically recruiting new hires for Computer Lab Management
• Exhibit problem solving skills to independently assess, prioritize, and handle a multitude of problems to ensure continual use of computer labs
• Demonstrate strong interpersonal communication skills through ability to clearly and effectively explain technical concepts to clients while utilizing strong customer service skills
• Train new hires on various Hardware Support duties and procedures

Jun 2014 – Aug 2016 · 2 yrs 2 mos · Sacramento, California Area

• Designed a pipeline program to prepare underrepresented students to successfully transfer to a four-year institution and ultimately matriculate into medical school
• Fostered a relationship between Sacramento City College, UC Davis, and UCD School of Medicine to address educational disparities faced by pre-health community college students
• Created an online workspace to facilitate collaboration amongst multiple stakeholders
• Unable to secure funding for pilot program, but led to leadership role within the Transfer Pre-Health Mentoring Program

Aug 2013 – Aug 2014 · 1 yr · Sacramento, California Area

• Reestablished chapter, grew membership to 20 plus members, and established a board of officers
• Organized and facilitated multiple simultaneous projects including meetings, club events, and fundraisers
• Created the Aspiring Physician Scholarship and secured a financial match in funds by the SCC Foundation
• Met with and presented to various school administrators, faculty, and student organizations, in a tactful and diplomatic fashion, to address questions and concerns and further push AMSA’s agenda

Aug 2013 – Jul 2014 · 11 mos · Sacramento, California Area

• Assist Operations Department in a variety of tasks including upkeep of school cars and vans, monthly checks of all campus fire extinguishers, and other campus projects
• Perform basic office duties such as filing, copying, data entry, and compiling data for reports

Aug 2012 – Apr 2013 · 8 mos · Oakland, California

• Trained in cultural competency in regards to health education and health outcomes of underserved populations
• Gave presentations within the Oakland community to spread health awareness and address health disparities
• Attended workshops focused on nutrition, CPR, health advocacy, and how to present such information to the public

May 2012 – Aug 2012 · 3 mos · Rancho Cordova, California

• Assist Public Information Officer in a variety of tasks, revolving around communication between the school district and the public, including media coverage tracking, conducting interviews, and writing press releases
• Conducted market research through analysis of social media campaigns, focus groups, and community feedback, and utilized results to develop a marketing plan to clearly report results and recommendations
• Developed a response plan to inquiries to maintain transparent and effective communication with the public

Sep 2010 – Jun 2011 · 9 mos · Sacramento, CA

• Served as Kappa League President for a youth group sponsored by the local Kappa Alpha Psi fraternity
• Guided program development to best serve needs of Kappa League chapter and its members
• Met with and presented to Kappa League program directors regarding chapter operations
• Received training focused on personal development, leadership, and community engagement
• Organized and facilitated meetings and events