Leadership Team | Gresham Technologies

Name Surname

Position

Name Surname

Position

Name Surname

Position

Name Surname

Position

Name Surname

Position

Name Surname

Position

Name Surname

Team Member Position

Name Surname

Team Member Position

Name Surname

Team Member Position

Name Surname

Team Member Position

Name Surname

Team Member Position

Name Surname

Team Member Position

Spiros Giannaros

CEO

Spiros Giannaros brings more than 25 years of experience building and scaling enterprise software platforms for the global capital markets industry.

Most recently, he served as President and CEO of Charles River Development and head of platform strategy for State Street Alpha. At Charles River he led a front-office investment management platform servicing over $59 trillion in assets under management, supported by 2,400 employees globally.

Prior to Charles River, Giannaros served as Partner and SVP at Markit (now S&P Global), where he led the global business for Markit EDM, the enterprise data management and portfolio management platforms that Gresham acquired in early 2026.

Giannaros has served as an Operating Advisor to Gresham and its owners, STG, since February 2026 and has been instrumental in helping the company shape the product strategy and develop its AI product and operational roadmap.

Andrew Elmore

CTO

Andrew is responsible for technology and engineering across the group. Since joining Gresham in 2024, he has led the platform integration and technical development across Enterprise Data Management, Reconciliation and Data Services .

Andrew has 30 years' experience in software engineering and technology leadership, more than 20 of them in financial services. His work includes data management and reconciliation software used by tier 1 banks, payment systems for clients such as PayPal and Orange, and technical due diligence for acquisitions and investments.

He was previously CTO of AutoRek, PagoFX (Santander) and C24 Technologies, which Gresham acquired in 2016, and VP Engineering at Velo Payments. Andrew is a Chartered Engineer and a regular speaker at leading industry conferences.

Matthew Greninger

CRO

Matthew is responsible for the firm's revenue organization, spanning sales, solutions engineering, account management, and go-to-market.

Greninger joined Gresham in March 2025 with global responsibility for go-to-market activity across the company's Connect Cloud, Control Cloud, and Pulse Data products.

He brings more than 15 years of go-to-market leadership in financial technology. Prior to Gresham, Greninger was Managing Director, Americas at NeoXam, a member of its Group Executive Committee overseeing profit and loss and regional growth. He previously served as Chief Revenue Officer at Kaiko and held senior sales leadership roles at Duco, including Head of Sales for the Americas.

Greninger is based in New York and works closely with Gresham's leadership to deepen client and partner relationships across the firm's global financial markets client base. He holds a BS, Mathematics and Computer Science from Fairfield University.

Davit Harutyunyan

CPO

Davit is responsible for Products and AI at Gresham. In this role he leads product strategy, innovation, and AI across Gresham's full portfolio, accelerating the company's roadmap for governed, AI-native technology.

Davit brings two decades of product leadership in capital markets technology. Most recently, he served as Head of Product at Allvue Systems, where he led product strategy and innovation across the firm's platform.

Earlier in his career, he held product and technology leadership roles at Fidessa and CQG, spanning electronic trading, market data, and algorithmic trading systems.

Neil Robertson

COO

Neil is Chief Operating Officer at Gresham, based in London. He brings more than two decades of experience in enterprise data management for the financial services industry.

Before joining Gresham, Neil spent over a decade in senior leadership roles at S&P Global and IHS Markit, most recently as VP of Commercial Strategy and previously as the Managing Director responsible for Managed Services, where he led the growth of cloud-hosted and managed data solutions for clients.

He joined Cadis Software in 2007 as a Managing Consultant and led professional services through its acquisition by Markit.

Amelia Roberston-Young

CHRO

Amelia is responsible for leading the global people and culture agenda, leadership capability and workforce strategy to support Gresham’s growth and long-term value creation.

With more than 20 years’ experience across financial services, technology, SaaS and private equity-backed businesses, Amelia has built her career in the more complex moments of business change: post-acquisition integration, international expansion, restructuring, leadership transition and cultural reset.

Her work spans organizational design, workforce planning, reward, leadership development, employee experience and the operating foundations that enable businesses to perform under pressure.

Before joining Gresham, Amelia held senior operational and people leadership roles in a global digital and SaaS business, including Chief Operating Officer and Chief People roles.

Amelia is a Chartered Fellow of the CIPD and is undertaking a DBA researching how M&A-active businesses move from fragmented AI experimentation to deliberate human and AI operating models.

David Yates

CFO

David leads Finance, Legal, IT and Sales Operations at Gresham, running the operational business so customers' mission-critical data stays trusted and under control.

Since 2023 he has helped merge Alveo and Gresham Technologies into one market leader under STG ownership and now leads the integration of the Opus EDM platform acquired from S&P Global.

David previously led global FP&A and M&A at Synamedia a Permira backed company and holds a BSc in Economics from Leeds alongside an MSc in Management from York.

Outside of work, David is a 5th Dan in jiu-jitsu, a boxer, scuba diver, skier and traveller.

James (JR) Lowry

Operating Advisor

James (JR) Lowry is a seasoned C-level executive, consultant, advisor, and entrepreneur. He currently works as an Operating Advisor for Gresham and Board Advisor for Instinct, alongside other activities outside of financial services.

JR was previously the Global COO of Janus Henderson Investors, where he was responsible for operations, technology, data, transformation and other change programs, facilities, and the Luxembourg management company. Before that, he held a variety of leadership roles at State Street and Fidelity Investments. Prior to moving into financial services, He was a partner at McKinsey & Company and an officer in the US Air Force.

JR holds an MBA from Harvard Business School, a Master of Science in electrical engineering from Northeastern University, and a Bachelor of Science in engineering from Duke University.

Devendra Bhudia

Global Head of Product – EDM

Devendra has spent more than 25 years at the intersection of data, technology and financial services, helping organisations turn complex data challenges into practical business outcomes.

His career spans product, strategy and commercial leadership roles at organisations including S&P Global and GoldenSource, working closely with banks, asset managers and other financial institutions.

Devendra brings a strong market perspective and a belief that the best products combine deep domain expertise, simplicity and commercial relevance. Today, much of his focus is on how AI can reshape enterprise data management and create new value for clients.

Pete Mullinder

Global Head of Marketing

Pete leads Marketing and Communications at Gresham. He is responsible for developing the marketing strategy, brand, building client communities and connecting Gresham with global audiences seeking to benefit from AI-native intelligent business process and data automation.

Pete brings more than 20 years of B2B marketing leadership in capital markets, FinTech and SaaS. He has spent his career working across global stock exchanges, data, data management and risk. At Gresham Pete has increased AI and data-driven marketing to build more efficient and connected marketing and communications.

Prior to joining Gresham, Pete was Global Head of Marketing at SIX Group, leading marketing GTM. He also previously held leadership marketing roles at IHS Markit, GoldenSource and Asset Control.

Neil Vernon

Global Head of Product – Control & Data Services

Neil leads product across Gresham's Data Services & Reconciliation portfolio, including Control, Control IM, Pulse and Connect,. He is responsible for setting product strategy, making sure our solutions solve real problems for the institutions that rely on us. Neil is delivering AI to make data integrity, control and reconciliation faster, safer and more transparent for our clients.

Neil's career has been spent in wholesale financial services software, spanning product strategy, development management, implementation, business development and pre-sales.

Prior to Gresham Neil set the strategic direction for TLM Reconciliations and TLM Control at SmartStream Technologies. He was also Product Director at PaceMetrics, a pioneer in exception management and business activity monitoring, and led Back Office Equities Technology at Swiss Bank.

Clients

As a trusted partner to the world's top financial institutions, Gresham is more than just a provider of enterprise data automation solutions. Our commitment to these clients extends beyond technology; it's about building lasting partnerships based on trust, innovation, and a shared vision of financial excellence.

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Careers

We’re always on the lookout for dynamically talented people to join our growing team. We're proud to offer our team an agile environment full of the health, wealth, and happiness benefits of a growing tech business.

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Partners

Our Partner Network is a global ecosystem which spans business alliances, technology alliances, service providers, advisory firms, solution delivery companies and reselling partners who believe in the power of collaboration.

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Enterprise Data Management

Reconciliation

Data Services

Resources

Enterprise Data Management

Reconciliation

Data Services

Resources

Gresham Executive Leadership Team

Spiros Giannaros

CEO

Andrew Elmore

CTO

Matthew Greninger

CRO

Davit Harutyunyan

CPO

Neil Robertson

COO

Amelia Roberston-Young

CHRO

David Yates

CFO

James (JR) Lowry

Operating Advisor

Devendra Bhudia

Global Head of Product – EDM

Pete Mullinder

Global Head of Marketing

Neil Vernon

Global Head of Product – Control & Data Services

Collaboration, made simple

Clients

Careers

Partners