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Technical Product Manager

Logan
Heft

PNC Bank  ·  MIT Lincoln Laboratory  ·  Brown MSc ’23

Logan Heft
About

Technical depth.
Real results.

I didn’t start in product, I started by building. Before becoming a product manager, I was a data scientist, learning technologies like LLMs by implementing them in real systems not presenting about them. I’ve shipped models that drive measurable business impact and navigated the realities of deploying in regulated environments, where every decision is questioned and every assumption is tested. That experience fundamentally shapes how I build products today. That experience informs how I build products today—anchored in first principles, adaptable across industries, and driven by data rather than assumptions.

Career and Education

I first studied at New Jersey Institute of Technology in the Albert Dorman Honors College, majoring in finance and computer science. NJIT is one of only a few schools on the East Coast with men's volleyball, and I was fortunate enough to receive a scholarship to play. After graduating in only three years, I went on to Brown University where I earned my MSc in Data Science. Whilst there, I worked at MIT's Lincoln Laboratory building NLP intelligence infrastructure for a Department of Defense research program that must stay appropriately classified.

I later joined PNC as a Data Scientist and was tapped for the TPM role eight months later, stepping into a seat that would typically be filled from an MBA pipeline. My background is why I can sit with engineers and pressure-test model architecture in the morning, then translate the same conversation into business risk and return for a credit committee in the afternoon.

Outside of work

When I'm not working, the place I'm most likely spending my time is running — training upwards of 70 miles a week. I'm a competitive marathon runner, currently preparing to run 2:45 this April at the Jersey City Marathon. It will be my eighth.

I also have a creative side in photography. My subjects are mostly runners, but I shoot street photography and landscapes from my travels as well. My work has been featured by brands like New Balance and by influencers with millions of followers.

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Experience

Where I've worked.

Jan 2024
Present
PNC Bank
Technical Product Manager
New York, NY
I own the full credit decisioning platform for consumer and business credit cards — the stack that processes roughly 1.5 billion decisions per year. Some highlights include:
  • $31M+ in risk-adjusted revenue generated across AI, infrastructure, and data integrity programs in 12 months
  • Derived Income Model — fine-tuned BERT model inferring income from transaction history. Over 215K customers unlocked for credit line increases, added close to $10M in annual profit
  • Project Renaissance — migrated 7 separate credit decisioning strategies from overnight batch to real-time across 25+ engineers, using parallel shadow mode validations and newly implemented circuit breaker architecture on every vendor integration
  • Project Meridian (in development) — architecting an agentic AI portfolio surveillance system using LLM reasoning loops, Kafka signals, and macroeconomic indicators to generate auditable credit parameter proposals
  • Data Floodgates — pre-campaign data validation using z-score drift detection against a 90-day rolling baseline. Blocked a campaign at 11.8 standard deviations, preventing a regulatory disclosure event
May 2023
Jan 2024
PNC Bank
Data Scientist
New York, NY
Joined the credit cards decisioning team as a Data Scientist. Tapped for the TPM role after eight months.
  • Built Python monitoring infrastructure tracking Population Stability Index and feature drift, with automated threshold-based decisioning pauses to stop incorrect credit outcomes before they reached customers
  • Anomaly detection and quality control alerts on Elastic/Kibana reduced time-to-detection from hours to minutes and cut manual validation by 80%
  • Eight months in, the TPM role opened and I was tapped to take it — the monitoring work gave me end-to-end visibility into how the decisioning stack actually worked in production, which is what made the transition possible
May 2022
Jan 2023
MIT Lincoln Laboratory
Research Data Scientist
Lexington, MA
Built NLP intelligence infrastructure for a classified Department of Defense research program. Cut analyst manual review time by 60%. The system became a standing capability after I left.
  • End-to-end NLP pipeline processing 20M+ posts across a 40,000-node social network for an active national security research program
  • BERT embeddings with HDBSCAN clustering surfaced thematic communities and coordinated behavior invisible to keyword search
  • Zero-shot NLI classifier for emergent topic labeling — no labeled training data required, critical given the sensitivity of the source material
  • Social network graph using betweenness and eigenvector centrality to identify high-influence actors. The platform remained in production as a standing capability after I left
May 2020
May 2022
Global X ETFs
Data Scientist
Part-time during undergraduate degree
Built quantitative ETF performance models and an unsupervised ML client recommender for the sales team — both in production while carrying a full course load and competing as a Division I athlete.
May 2019
May 2020
ConnectOne Bank
Data Scientist
Part-time during undergraduate degree
Analyzed SBA loan performance during COVID-19, building early delinquency signal models where no historical precedent existed. First exposure to production financial models with real consequences.
Skills

What I work with.

Technical
PythonSQLKafkaBERTLLMsAgentic AISnowflakeAirflowREST APIsGraph NetworksNLP
Domain
Credit DecisioningAI Product ManagementFair Lending / ECOAML Model GovernanceReal-Time InfrastructureFintechNational Security
Projects

Featured work.

Deposit Derived Income

Fine-tuned BERT model inferring income from transaction history for customers without verified income on file. Unlocked 215K customers for credit line increases, added $8.6M in annual profit, passed Fair Lending review without a single adverse finding.

BERTFair LendingPythonCredit Decisioning
Data Floodgates

Pre-campaign data validation system using z-score drift detection against a 90-day rolling baseline. Caught a silent upstream field change at 11.8 standard deviations — blocked a campaign before a single decision ran and prevented a regulatory disclosure event.

PythonStatistical MonitoringData Integrity
Project Meridian

Agentic AI portfolio surveillance system in development. LLM reasoning loops synthesize Kafka transaction signals, portfolio data, and macroeconomic indicators into auditable credit parameter proposals — replacing manual analyst-driven surveillance.

LLMsKafkaAgentic AIIn Development

Let's talk.

loganheft1@gmail.com