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John Difini Email & Phone Number
Chief Technology Officer (CTO), Retirement Services
at
American Trust
1 work email found
@americantrust.com
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Chief Technology Officer (CTO), Retirement Services
Location
Golden, Colorado, United States
Who is John Difini? Overview
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Quick answer
John Difini is listed as Chief Technology Officer (CTO), Retirement Services at American Trust, based in Golden, Colorado, United States. AeroLeads shows a work email signal at americantrust.com and a matched LinkedIn profile for John Difini.
John Difini previously worked as Chief Technology Officer (CTO) at Lt Trust and Technology Director (Sr. Staff Engineering Manager) at Pensco Trust Company. John Difini holds B.S.E., Biomedical Engineering from University Of Iowa.
Company email context
Email format at American Trust
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{first_initial}{last}@americantrust.com
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AeroLeads found 1 current-domain work email signal for John Difini. Compare company email patterns before reaching out.
Profile bio
About John Difini
I am a senior technology leader with over 24 years of experience. Most of my experience has been leading and growing software engineers, but I have also managed infrastructure departments. Recent roles include CTO, VP of Software Engineering, and Software Engineering Manager. In my current role as VP of Engineering, I oversee 4 software engineering teams including 30 employees and contractors across 7 countries.Regardless of the role, my leadership goals are to:■ Make an impact■ Recruit & retain top talent■ Inspire delightful UI/UX■ Empower autonomous teams■ Influence corporate culture■ Get things doneI earned my first technical stripes with my bachelor’s degree in Biomedical Engineering, specializing in “Computer Science for Medicine” (Bioinformatics). I earned my professional chops at the Chicago Board of Trade and Goldman Sachs, developing C/C++ apps on Unix/Linux. Both engagements required building systems that were fault-tolerant and high-throughput.Roughly speaking, my career has progressed from a Software Engineer to a Team Lead to a Software Engineering Manager to a CTO. Not only have my leadership and management skills grown with on-the-job experience, but they have also grown with “off-duty” learning. I am a lifelong learner, and I use podcasts to quench my curiosity. I mostly listen to tech leadership and strategy podcasts, and I blog about my findings… when I get the chance. You can read my blogs on Medium - https://johndifini.medium.com/list/technology-leadership-9d75be4b3226.My favorite topics to blog about are the culture and principles that served as the foundations of ultra-successful tech companies. My favorite tenants from those companies include:■ Hire smart, ambitious, and creative talent – Google and PayPal■ Create products that are simple and elegant, eye-catching, and have a wow-factor – Apple and Google■ Build a culture that favors autonomy, thinking big, and moving fast – Tesla and Google
Listed skills include Agile Methodologies, Software Development, Business Analysis, Sql, and 50 others.
Current workplace
John Difini's current company
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10 roles
John Difini work experience
A career timeline built from the work history available for this profile.
Chief Technology Officer (Cto), Retirement Services
Current■ Responsible for building and scaling teams, products, and systems related to Edgeco's Retirement Services line of business.■ Set the hiring strategy to focus on recruiting smart, ambitious, and creative talent as the top priority.■ Set the technical strategy for all software from the system of record to the customer-facing sites and apps and everything.
Sep 2021 - Present
Chief Technology Officer (Cto)
■ Oversaw the strategic direction and tactical management of the entire technology department including software engineering and infrastructure teams.■ Built collaborative relationships with product managers and stakeholders; leveraged collaboration tools (e.g. Lucidchart, Google Workspace, Asana, etc.) to keep everyone on the same page.■ Created.
Sep 2017 - Sep 2021
Technology Director (Sr. Staff Engineering Manager)
Pensco Trust Company
■ Directed 3 engineering teams in the design and development of full-stack, web-based systems.■ Devoted time to mentoring and coaching software engineers to elevate their skills.■ Collaborated with stakeholders to prioritize, scope, and create critical business projects.■ Created long-term, product roadmaps and directed near-term, tactical sprints.
Mar 2012 - Sep 2017
Technology Manager (Software Engineering Manager)
■ Grew a team from just 2 Engineers to 8 highly experienced and skilled Engineers responsible for the company's mission-critical financial systems.■ Standardized agile best practices, which were adopted across the entire organization.■ Mentored engineers and helped them get up to speed by providing software architecture diagrams, entity-relationship.
Dec 2009 - Mar 2012
Lead Java Developer
■ Supervised a team of 6 Engineers responsible for an Advisor Services portal for advisors and their clients (equity clearing via DTC; mutual fund clearing via NSCC).■ Where automation was not possible, standardized testing and deployment processes (e.g. test every line of code, diff every deployment file, etc.).
May 2005 - Dec 2009
Senior Analyst/Developer
■ Responsible for the scaling and reliability of Goldman's high-availability market data infrastructure.■ Completely automated deployments with shell scripts. Included branching and tagging source code.■ Developed C++ back-end services that interfaced with real-time market data publishers.■ Maintained a custom analytics database for a risk management tool.
Jul 2001 - May 2005
Senior Java Developer
Metalmaker, Inc.
■ Developed Java extensions for an Apache Xalan stylesheet processor, which looked up data with JDBC.■ Created Java Servlets and JavaBeans that ran on Unix and that provided registration/login functionality.
Aug 2000 - Apr 2001
Web Developer
■ Provided Unix and distributed object expertise for the design of a multi-platform Web application.■ Created Perl scripts to convert single-threaded C and FORTRAN code to a multi-threaded C++ tier.
Jan 2000 - Aug 2000
Programmer/Analyst Consultant
■ Improved the scalability and fault tolerance of the CBOT's large-scale, distributed order routing system.■ Developed various performance simulators utilizing C/C++, IBM MQ, sockets, and threads.
Jul 1997 - Jan 2000
2 education records
John Difini education
B.S.E., Biomedical Engineering
University Of Iowa
Education record
Mayfield High School
FAQ
Frequently asked questions about John Difini
Quick answers generated from the profile data available on this page.
What company does John Difini work for?
John Difini works for American Trust.
What is John Difini's role at American Trust?
John Difini is listed as Chief Technology Officer (CTO), Retirement Services at American Trust.
What is John Difini's email address?
AeroLeads has found 1 work email signal at @americantrust.com for John Difini at American Trust.
Where is John Difini based?
John Difini is based in Golden, Colorado, United States while working with American Trust.
What companies has John Difini worked for?
John Difini has worked for American Trust, Lt Trust, Pensco Trust Company, Fiserv Iss, and Goldman Sachs.
How can I contact John Difini?
You can use AeroLeads to view verified contact signals for John Difini at American Trust, including work email, phone, and LinkedIn data when available.
What schools did John Difini attend?
John Difini holds B.S.E., Biomedical Engineering from University Of Iowa.
What skills is John Difini known for?
John Difini is listed with skills including Agile Methodologies, Software Development, Business Analysis, Sql, Sdlc, Enterprise Architecture, Integration, and System Architecture.
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