Charles Chi Email & Phone Number

Founded a consultancy specializing in AI and ML Engineering, providing strategic guidance as well as hands-on implementation to help companies build robust AI/ML solutions (with special focus on LLMs), including establishing the necessary data and infrastructure foundations.Partnering with diverse companies across industries, I gain exposure to.

San Francisco, California, US

• >> MLOps / ML Tooling / ML Infra / Product ML <<
• Integrate LLM solutions into product. Guide solution development to further automate legal workflows (reduce 6-figure onboarding costs to zero for clients). Rapidly implement eval and prompt management; design future.
• Designed, developed, and launched a Service Mediator API gateway in prod for abstracting ML services, accelerating integration across four product areas by delivering predictions from 15 ML services via unified schema..
• Assume pivotal responsibility for all PROD oversight of ML capabilities. Lead development for prediction delivery mechanisms and protocols to directly integrate with the user experience. Mentor and collab with Eng.
• Drive service reliability and observability efforts: employ external tools (Datadog) and create self-hosted services (MLflow, streamlit) to enhance visibility of models. Created a portable load-test tool to allow.
• Automate ML Lifecycle phases to reduce time-to-production for model devs. Adopt IaC practices using Terraform/CDK for cloud management. Manage releases via CI/CD automation, containerization for service deployments.

San Francisco, California, US

• Assumed leadership to expand Ontra's ML team, successfully growing the team from 4 to 10 teammates in 2022. Undertook managerial duties to guide and develop the team, while maintaining a high level of individual.
• Initiated and advocated for integration of embedded ML resources on product teams to expand impact on more business areas, directly addressing core company challenges with ML solutions
• Championed cross-team collaboration and fostered robust partnerships with product and engineering teams, enhancing stakeholder management, and upwards value communication
• Implemented project management methodologies on AI initiatives, significantly improving team accountability and velocity. Established roadmap and planning processes to drive alignment
• Accelerated ML team’s output and impact dramatically, evidenced by tripling the number of models in production from 4 to 12, supporting business objectives for reducing manual lawyer labor
• Transitioned back to a Staff MLE role full-time, after ensuring leadership continuity by hiring a replacement Director. Concentrate on professional passions and deeply engage in solving technical challenges to develop.

San Francisco, California, US

• Data Modernization @ Ontra.aihttps://www.builtinsf.com/2021/06/24/sf-data-modernization-success-incloudcounsel>> All things DataOps & MLOps! <<
• Operationalized ML efforts by developing a scalable prediction delivery system composed of clause detection and question-answer models to cover of all important aspects of NDA contracts
• Spearheaded improvements to MLOps lifecycle including: model microservice ALB deployments, ci/cd testing & release, model artifact & dataset management, feature engineering, annotation ops
• Created foundational data infrastructure in support of company-wide data analytics initiatives Cover all aspects including administering data warehouse (Snowflake), Airflow, ETL Pipelines
• Drove Data Platform products: created microservices for data enrichment, nlp, and document processing capabilities to unlock pdf/docx functionality, entity extraction, and search
• Orchestrated AWS resources via infra-as-code CDK (Cloudformation) and Gitlab ci/cd tools

San Francisco, CA, US

* Mentoring and project planning, set strategic direction, and provide technical guidance for team* Recommendation and ranking systems, prototype machine learning solutions and deploy to production* Spearheaded innovative projects on better content understanding and graph structures

San Francisco, CA, US

* Specialize in scaling ML prototypes to production systems* Designing and scaling content recommendation systems* Newsfeed ranking algorithms, Spark ETL pipelines* NLP, Topic Modeling, Classification

San Francisco, CA, US

• Summary:* Optimize for engagement metrics on user network and network activity* Modeling and statistical analysis.Details:
• Spearhead topic modeling and content recommendation system for articles based on text content and historical user behavior
• Specialize in scaling and designing machine learning systems; built ranking algorithm and ancillary infrastructure in Spark from ground up to serve content for users’ Newsfeed experience, revamping old default homepage.
• Architect data systems; created AB testing frameworks for network digest email and Newsfeed user layouts for split testing
• Orchestrated efforts as technical lead for massive infrastructure enhancements to expand diversity of content types and boost speed performance. Interfaced with various stakeholders through effective communication and.
• Deployed ranking system and algorithm for network digest email. Efforts included ETL of raw click data, feature engineering and model iteration; set up A/B testing framework to gather randomized signal and test various.

San Francisco, CA, US

• Designed data acquisition and ETL pipelines for sustainability, certification, and product data
• Deployed internal Flask microservices on AWS using docker for automated product data ingestion, cleansing, processing, and storage; invented internal toolsets for convenient data extraction
• Transformed and modeled unstructured data into various data stores (Neo4j, Postgres, MongoDB)
• Researched and assessed viable datasets; worked with analysts on building an annotation pipeline
• Performed exploratory analysis using clustering, word2ve, t-SNE visualization to assess similarities between products, product categories, certifications, and manufacturers
• Generate insightful visualizations and reports to help stakeholders comprehend underlying trends

New York, NY, US

• Investigated relationships among 70,000 portfolios and 450,000 securities in the Bloomberg database for portfolio holdings recommendation and outlier detection on trading strategies
• Implemented efficient similarity calculation of portfolio holdings with novel algorithm using binary compression and decompression for securities representation
• Data Science, Machine Learning Algorithms, Classifiers
• Business Intelligence, Workflow efficiency enhancements, automation
• Adapted classification algorithm on data workflows, achieving automatic rejection rate of 45%
• Designed business rule engine and customizable platform to generate data-driven news stories

New York, NY, US

• Delivered marketing-moving headlines in subseconds using proprietary software; covered 200 tickers
• Decomposed news into structured events with 20+ rulesets using entity extraction software (Inxight)
• Earnings extraction and headline automation
• Natural Language Processing (NLP)
• News Extraction for Structured Feeds (Algorithmic Traders) for targeted topics
• Workflow application development, automation with VBA/Excel/Macros.

New Brunswick, NJ, US

• RD&E Finance at Skillman (Consumer Products Company)
• Spearheaded headcount consolidation reporting process, developed a Headcount BVA model
• Streamlined business budgeting process through Allocation Model allowing greater visibility
• Merited Gold Encore Award, recognized for leadership initiatives and business acumen
• Collaborated with financial analysts on monthly close, global consolidation, SOX compliance
• Performed monthly variance and ad-hoc analyses

• Exemplified strong interpersonal skills to provide courteous customer service to patrons

Palo Alto, CA, US

• Shanghai, China
• Transformed company website by enhancing visuals and streamlining navigation by flattening site structure
• Analyzed competitor marketing strategies; developed product proposal documents and presentations

B.S., Finance; Minors: Chinese, Psychology

Chinese

Education record