Wealth management
10 Vanguard engineering leaders
These ten current and former Vanguard engineering leaders have held director-level and above engineering roles at Vanguard, covering personal investor technology, onboarding and advice platforms, trade and cost basis, data architecture, resiliency and infrastructure. A reader can learn how engineering leaders work at Vanguard from people who have held the role.
Professionals to explore
01—10Abhi Dhakane
LinkedInExperience: Head of Engineering - Trade and Cost basis · Vanguard
Head of Engineering - Trade and Cost basis at Vanguard since December 2024, after serving as Head of Engineering - Automation and Digitization there (2021–2024). Abhi Dhakane was also Information Technology Service Delivery Manager at The Vanguard Group (2012–2021), and a highlight gives the current title as Director - Trade and Cost Basis Technology.
Anand Reddy
LinkedInExperience: Head of Engineering, Personal Investors Technology · Vanguard
Head of Engineering, Personal Investors Technology at Vanguard since 2018; a highlight says Anand Reddy leads a team of over 100 IT professionals and is responsible for API engineering across the enterprise. At Vanguard Anand Reddy was also Head of Security Engineering Group, Enterprise Security & Fraud (2015–2018) and IT Systems Manager, Retail Financial Advisory Services (2012–2015).
Ashley Carpenter
LinkedInExperience: Senior Director · Vanguard
Senior Director at Vanguard since December 2022; a highlight says Ashley Carpenter leads the software engineering organization supporting Vanguard Personal Investor core client journeys and digital products such as onboarding and account management. At Vanguard Ashley Carpenter was also Director, IT Portfolio Modernization (2020–2022) and Software Engineering Manager (2016–2019).
Glenn Bixby
LinkedInExperience: Former Senior Director, Infrastructure Engineering · Vanguard
Former Senior Director, Infrastructure Engineering at Vanguard (2022–2024), now Senior Director, GTO Strategic Programs there since September 2024. Glenn Bixby was also Director, Infrastructure Services (2019–2022), Senior Manager, Infrastructure Services (2018–2019) and Senior Manager, Data Center and Connectivity Services (2015–2018) at Vanguard.
Greg Sandherr
LinkedInExperience: Director Level - Head of Resiliency Engineering for Personal Investor Technology · Vanguard
Director Level - Head of Resiliency Engineering for Personal Investor Technology at Vanguard since March 2022. Greg Sandherr has held a series of director-level roles at Vanguard, including Head of Agile Transformation for Retail Systems (2020–2022), Head of Brokerage Systems (2015–2020) and Head of Testing/Business Analysis/UCD Services for Global Investment Systems (2012–2015).
John Ritto
LinkedInExperience: Head of Hybrid Platform Engineering · Vanguard
Head of Hybrid Platform Engineering at Vanguard since March 2024. At Vanguard John Ritto was also Head of Data Center Manager and Strategic Programs (2022–2024), a role tagged at director level. The profile also lists architect manager and data center network manager roles at Vanguard from 2012 to 2022.
Martin Holmes
LinkedInExperience: Director of Software Engineering - Advice Portfolio Management · Vanguard
Director of Software Engineering - Advice Portfolio Management at Vanguard since June 2026. At Vanguard Martin Holmes was also Architect Senior Manager, Enterprise Advice (2023–2026), Cloud Contingency Senior Manager, Chief Technology Office (2021–2023) and Senior Manager IT Delivery, Enterprise Advice (2018–2021).
Raman Tallamraju
LinkedInExperience: Senior Director, Head of Enterprise Data Architecture and Engineering · Vanguard
Senior Director, Head of Enterprise Data Architecture and Engineering at Vanguard since March 2025, after serving as Director, Head of Technology, Personal Investor Chief Data and Analytics Office there (2023–2025). Raman Tallamraju previously held Group Vice President, Head Of Enterprise Architecture at T. Rowe Price (2017–2023) and Lead Architect at Capital Group.
Rehana Valli
LinkedInExperience: Director - Head of Discretionary Advice Platform Technology · Vanguard
Director - Head of Discretionary Advice Platform Technology at Vanguard since January 2025, after serving as Director - Head of Retail Onboarding Engineering there (2021–2025). Rehana Valli also held Software Engineering Manager (2018–2021) and project team manager and scrum master roles at Vanguard from 2015.
Shaun Gehring
LinkedInExperience: Director of Engineering · Vanguard
Director of Engineering at Vanguard since July 2026, after serving as Senior Software Engineering Tech Lead there (2025–2026). Shaun Gehring previously held Vice President of Data Engineering and Analytics at Wells Fargo (2023–2025), Senior Director Of Engineering at Red Ventures (2021–2023) and Senior Director of Product Engineering at Comcast (2018–2021).
Choose the right perspective
Pick the person whose Vanguard engineering area matches your question, such as client-facing digital products, advice platforms, trading and cost basis systems, data architecture, or infrastructure and site resiliency. Check each person's dates to see whether their Vanguard experience is current or from an earlier period.
Questions to take into the conversation
- 01How do you organize engineering teams around client journeys at a large retail investment firm?
- 02What does moving core systems from a data center to a hybrid cloud platform change for engineering teams?
- 03How do you run a resiliency program across many product engineering teams?
Reaching Vanguard engineering leaders
How can I contact one of these Vanguard engineering leaders?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 1 company: Vanguard, based on profile data retrieved on October 15, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Vanguard engineering leaders?
You choose the offer, starting at $5 per person. The offer is what the person receives, and Instant Expert's fee is added on top, so a $100 offer costs you $125. The fee is 20% of what you pay. You're charged only when the person books the call or sends the answer.
What if they don't reply?
You pay nothing. Instant Expert sends follow-up reminders, and if the person hasn't booked or answered within 7 days, the request expires and any hold on your card is released. You can invite several of the 10 people on this list at once and cap your total spend, so you pay only for the ones who accept.
Can an AI agent ask one of these Vanguard engineering leaders a question?
Yes. An agent with a USDC wallet on Base can ask one question without an Instant Expert account. It names the person, for example by the LinkedIn URL on this page, and pays per ask over x402 (HTTP 402). The person answers in writing or by voice note, and if nobody answers within 7 days, the payment goes back to the wallet automatically. x402 docs
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
Request a correction or removal