I am a Computer Scientist with a Ph.D. and a Data Scientist specializing in Finance Quant roles, boasting over 15 years of experience in solving analytic problems, building models, and delivering value across various industries. With more than 6 years of practical expertise in data science, I build both supervised and unsupervised models, covering techniques from traditional machine learning like k-means and random forests to advanced models including LLMs, GenAI, RAG, and embeddings. I am proficient in Python and its ecosystem, skilled in ML frameworks like scikit-learn, TensorFlow, and PyTorch, and experienced in SQL, big data tools, and visualization platforms. I excel at problem-solving, critical thinking, and communication and have proven leadership abilities as both a team manager and individual contributor.

John Muller

I am a Computer Scientist with a Ph.D. and a Data Scientist specializing in Finance Quant roles, boasting over 15 years of experience in solving analytic problems, building models, and delivering value across various industries. With more than 6 years of practical expertise in data science, I build both supervised and unsupervised models, covering techniques from traditional machine learning like k-means and random forests to advanced models including LLMs, GenAI, RAG, and embeddings. I am proficient in Python and its ecosystem, skilled in ML frameworks like scikit-learn, TensorFlow, and PyTorch, and experienced in SQL, big data tools, and visualization platforms. I excel at problem-solving, critical thinking, and communication and have proven leadership abilities as both a team manager and individual contributor.

Available to hire

I am a Computer Scientist with a Ph.D. and a Data Scientist specializing in Finance Quant roles, boasting over 15 years of experience in solving analytic problems, building models, and delivering value across various industries. With more than 6 years of practical expertise in data science, I build both supervised and unsupervised models, covering techniques from traditional machine learning like k-means and random forests to advanced models including LLMs, GenAI, RAG, and embeddings.

I am proficient in Python and its ecosystem, skilled in ML frameworks like scikit-learn, TensorFlow, and PyTorch, and experienced in SQL, big data tools, and visualization platforms. I excel at problem-solving, critical thinking, and communication and have proven leadership abilities as both a team manager and individual contributor.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
See more

Work Experience

Data Scientist at Bank of America
June 30, 2025 - August 5, 2025
Member of the Financial Crimes/Anti Money Laundering group focused on improving the efficiency of processes that search billions of transactions and millions of entity records. Utilized Python, SQL, Teradata, Hive, Spark, and related big data tools to enhance detection and operational workflows.
Senior Analyst/Data Scientist at TIAA
July 31, 2024 - August 5, 2025
Worked on a team using machine learning, AI, and natural language processing to improve document processing efficiency. Projects included classifying customer feedback as complaints for routing and automatically generating response letters to customers post-resolution. Used Python, SQL, Google Cloud, and Vertex AI.
Contract Python Programmer at Bank of America
October 31, 2023 - August 5, 2025
Developed Python and SQL tools to give the bank flexible processes for detecting and managing data issues. Enhanced IT diagnostics of ETL processes by updating Airflow Python code and completed Swagger yaml documentation of API endpoints for input/output determination.
Data Scientist at Lowe’s
April 30, 2022 - August 5, 2025
Developed and put into production a rules-based recommendation method. Proposed and implemented an innovative graph machine learning model incorporating product attributes and web traffic data to handle new products lacking viewing history. Utilized Python and SQL.
Python and SQL Code Reviewer at PNC Bank
November 30, 2021 - August 5, 2025
Reviewed Python and SQL code to ensure compliance with requirements and reproducibility, assisting in regulatory penalty avoidance. Developed a pandas DataFrame profiling tool that generated extensive summaries, increasing efficiency for reviewers.
VP and Lead Analyst at Acadian Asset Management
March 31, 2018 - August 5, 2025
Designed and built dashboards for Portfolio Managers to compare returns and exposures, helping identify anomalies and opportunities. Implemented transaction costs into attribution frameworks and devised a broker skill estimation method based on PageRank to aid execution cost management.
Strategic and Technical Lead at Enter The Data
February 28, 2013 - August 5, 2025
Provided Data Science and Computer Science consulting using R. Delivered time series analysis and prediction, customer retention strategies, inventory and sales optimization around weather events, applicant matching clustering for HR, marketing spend value estimation, and Python/SQL code reviews and development.
VP and Analytic and Visualization Lead at State Street Associates
February 28, 2012 - August 5, 2025
Led team responsible for Fixed Income and Equity holdings indicators and managed development of 14 Foreign Exchange and Equity flow indicators. Built a dashboard for Securities Lending traders that unified data and enabled advanced comparison and analysis, with immediate desk deployment.
VP and Analytic Lead at Bank of America
August 31, 2007 - August 5, 2025
Developed tools analyzing corporate bond rate differences to support revised corporate loan hedging strategies. Analyzed loan-level cash flow data and modeled mortgage servicing profitability. Conducted pricing policy analyses affecting application volumes for mortgage pricing teams.
Data Scientist at Bank of America
June 30, 2025 - August 5, 2025
Member of the Financial Crimes/Anti Money Laundering group focused on enhancing the efficiency of searching billions of financial transactions and millions of entity records using Python, SQL, Teradata, Hive, and Spark.
Senior Analyst/Data Scientist at TIAA
July 31, 2024 - August 5, 2025
Used machine learning, AI, and NLP to improve document processing efficiency. Projects included classifying customer feedback and automating customer response generation using Python, SQL, Google Cloud, and Vertex AI.
Contract Python Programmer at Bank of America
October 31, 2023 - August 5, 2025
Developed Python and SQL tools to enhance data issue detection and management processes. Updated Airflow Python code for IT diagnostics and completed Swagger documentation for API endpoints.
Data Scientist at Lowe’s
April 30, 2022 - August 5, 2025
Coded a rules-based recommendation method that was deployed in production and built an innovative graph ML model combining product attributes and web traffic data to address new product analytics challenges.
Python and SQL Code Reviewer at PNC Bank
November 30, 2021 - August 5, 2025
Reviewed Python and SQL code to ensure compliance with requirements and reproducibility, developed a pandas DataFrame profiling tool, and helped avoid regulatory penalties through code review.
VP and Lead Analyst at Acadian Asset Management
March 31, 2018 - August 5, 2025
Designed and built dashboards for portfolio managers, integrated transaction costs into attribution frameworks, and devised a broker skill estimation method based on PageRank to manage execution costs and alpha impact.
Strategic and Technical Lead at Enter The Data (Consulting)
February 28, 2013 - August 5, 2025
Provided data science and analytic consulting for clients including time series prediction, customer retention analysis, marketing spend optimization, and applicant matching through clustering. Delivered Python/SQL code review and coding for banking clients.
VP and Analytic and Visualization Lead at State Street Associates
February 28, 2012 - August 5, 2025
Team leader for Fixed Income and Equity holdings indicators, managed development of 14 new FX and equity flow indicators, and built a securities lending dashboard for trader data unification and analysis.
VP and Analytic Lead at Bank of America
August 31, 2007 - August 5, 2025
Developed tools for analyzing corporate bond rate differences, modeled mortgage servicing profitability, and analyzed pricing policy effects on mortgage application volume.

Education

Ph.D. Information and Computer Science at Georgia Institute of Technology
January 11, 2030 - August 5, 2025
B.S. Computer Science at University of Georgia
January 11, 2030 - August 5, 2025
Ph.D. Information and Computer Science at Georgia Institute of Technology
January 11, 2030 - August 5, 2025
B.S. Computer Science at University of Georgia
January 11, 2030 - August 5, 2025

Qualifications

Artificial Intelligence Professional Program
January 11, 2030 - August 5, 2025
Managing Big Data
January 11, 2030 - August 5, 2025
Quantitative Finance - Math Track
January 11, 2030 - August 5, 2025
Quantitative Methods in Finance
January 11, 2030 - August 5, 2025
Artificial Intelligence Professional Program
January 11, 2030 - August 5, 2025
Managing Big Data
January 11, 2030 - August 5, 2025
Quantitative Finance - Math Track
January 11, 2030 - August 5, 2025
Quantitative Methods in Finance
January 11, 2030 - August 5, 2025

Industry Experience

Financial Services, Professional Services, Retail, Software & Internet