John Tolle
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John Tolle Email & Phone Number

Principal Data Scientist (Information, Data, and Analytics) at Shell
Location: Houston, Texas, United States 7 work roles 2 schools
1 work email found @shell.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Current company
Role
Principal Data Scientist (Information, Data, and Analytics)
Location
Houston, Texas, United States
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Who is John Tolle? Overview

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John Tolle is listed as Principal Data Scientist (Information, Data, and Analytics) at Shell, a with 132903 employees, based in Houston, Texas, United States. AeroLeads shows a work email signal at shell.com and a matched LinkedIn profile for John Tolle.

John Tolle previously worked as Senior Analytics Engineer (Unconventionals) at Shell and Optimization Engineer (Drilling) at Shell Exploration & Production Company. John Tolle holds Bs, Civil Engineering, Cum Laude from Rice University.

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{first}.{last}@shell.com
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Profile bio

About John Tolle

Collaborative engineer with multi-industry experience helping teams solve problems and make better decisions. Extensive data science toolbox to extract evidence from existing data and new experiments, gain insight into what drives value, and make sure we’re asking the right questions about uncertainties and tradeoffs. Well-practiced customer-facing consultant. Experienced software developer: Python (w/ modern ML stack, Databricks/Spark), R (w/ tidyverse), Excel/VBA, C#/.NET, C++.

Listed skills include Cost Engineering, Decision Analysis, Data Analysis, Statistics, and 27 others.

Current workplace

John Tolle's current company

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Shell
Shell
Principal Data Scientist (Information, Data, and Analytics)
the hague, zuid-holland, netherlands
Website
Employees
132903
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7 roles

John Tolle work experience

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Principal Data Scientist (Information, Data, And Analytics)

Current

Houston

• Led rescue and redeployment of failed fuel price prediction product, delivering $8M/yr in value. Worked directly with pricers to clarify the evidence needed to bring their pricing decisions closer to Shell strategy. Specified, built and deployed the required machine-learning tools for competitor price prediction.• Delivered value through others by providing technical expertise and oversight to >$1B/yr Upstream Gulf of Mexico Exploration prospect ranking (statistical analysis) and portfolio working interest optimization (scenario modelling)• Released internal "Inner Source" software libraries for statistical backtesting of forecast models using Spark• Published best-practice guidance for practitioners to use with Shell’s data science implementation standards• Served as internal Technical Authority, reviewing data science work for correctness and completeness

Jan 2022 - Present

Senior Analytics Engineer (Unconventionals)

Houston, Texas Area

• Impacted high-stakes decisions about well design and field development as embedded statistical/decision SME, yielding *tens of millions of dollars in increased production and reduced costs*:• Put into practice Bayesian decision-trial-lookback tools and workflow used by well engineering and asset development teams to value uncertainty reduction, balance trial size and cost, and set success/failure criteria for field trials• Worked across disciplinary boundaries to connect the right technical expertise (including from specialist machine learning teams and vendors) to the right business problems• Led the effort to raise the whole organization's capacity for statistical thinking; coached technical staff through hands-on engagements to target analysis work at the most valuable uncertainties

Jan 2014 - Dec 2021

Optimization Engineer (Drilling)

Houston, Tx

• Drove more credible Shales-wide plans by developing drilling schedule and cost learning curve guidance• Improved drilling performance evaluation with regression-based “should cost” benchmarking methods• Provided extensive quantitative support for many different projects, ranging from Markov chain probabilistic modeling of staff advancement to statistical drivers of safety performance to full-field unconventional development "what-if" scenario cost modeling

Jan 2012 - Jan 2014

Owner And Consultant

Value Discovery Llc

Houston, Tx

Expert at helping teams get answers and make high-value technical-economic decisions:• How is our performance related to what we’ve done in the past? (Statistical data analysis and modeling) • Do we understand the key issues and uncertainties that impact our decisions? (Decision Analysis)• If we change what we’re doing, or do something totally new, what will really drive our costs? (Process-based Cost Modeling)• How does our performance compare to our competitors? (Statistical benchmarking)• Is reducing uncertainty worth the cost of trials? (Value of Information)• How do we design an informative and efficient trial? (Design of Experiments)• What is the value of a larger vs. a smaller trial? What are the right success/failure criteria? (VOI-based trial design)I also developed custom spreadsheet models and software. (Look up jtolle on Stack Overflow to see more about me as a programmer.)

Dec 2011 - Nov 2016

Research And Development Engineer

Stewart Automotive Research

Houston, Tx

Wore many hats as core member of engineering team developing new plastics, composites, and tooling manufacturing technology for lightweight vehicles and raising over $10M in capital:• Led a process-based cost modeling consulting practice in the energy industry in 2010-2011 that generated $2M in revenue• Developed and deployed software libraries and tools for spreadsheet model building that were the foundation for agile development of cost models for new and early-stage manufacturing processes (see careers.stackoverflow.com/jtolle for details)• Repeatedly enabled my teammates by developing custom software, including cost models for new manufacturing processes, several prototype machine control systems, and a knowledge management system• Worked with specialist computational vendor partners to implement advanced mold-filling and cooling simulation and optimization software incorporating fluid flow, heat transfer, and reaction kinetics• Set up, operated, and managed a rheological testing and thermal analysis laboratory for novel polymer materials

Jan 1998 - Dec 2011

Programmer

Self-Employed

St. Louis, Mo; Houston, Tx; Chicago, Il

• Payment Processing System (for Sears Payment Systems, with Brahma Software)• Board Game Calculation Engine• Remote Salesforce Automation Application (for SalesKit Software)

Feb 1995 - Dec 1997

Technical Consultant

Bsg Alliance/It

Houston, Tx

• Personal Computer Sales Configuration Application (with Trilogy Development Group)• Remote Field Service Technician Application (for GE Appliances)

Aug 1993 - Feb 1995
Team & coworkers

Colleagues at Shell

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2 education records

John Tolle education

Education record

Jesuit Dallas
FAQ

Frequently asked questions about John Tolle

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What company does John Tolle work for?

John Tolle works for Shell.

What is John Tolle's role at Shell?

John Tolle is listed as Principal Data Scientist (Information, Data, and Analytics) at Shell.

What is John Tolle's email address?

AeroLeads has found 1 work email signal at @shell.com for John Tolle at Shell.

Where is John Tolle based?

John Tolle is based in Houston, Texas, United States while working with Shell.

What companies has John Tolle worked for?

John Tolle has worked for Shell, Shell Exploration & Production Company, Value Discovery Llc, Stewart Automotive Research, and Self-Employed.

Who are John Tolle's colleagues at Shell?

John Tolle's colleagues at Shell include Cole Griffin, Adan Garcia P.E., Belkhaoui Amine, Zaid Ahmed, and Ashutosh Tiwari.

How can I contact John Tolle?

You can use AeroLeads to view verified contact signals for John Tolle at Shell, including work email, phone, and LinkedIn data when available.

What schools did John Tolle attend?

John Tolle holds Bs, Civil Engineering, Cum Laude from Rice University.

What skills is John Tolle known for?

John Tolle is listed with skills including Cost Engineering, Decision Analysis, Data Analysis, Statistics, Experimental Design, Value Of Information, Cost Model Development, and Software Development.

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