Guy Chiarello

Guy Chiarello serves as Chief Operating Officer at Fiserv. Fiserv operates in the financial services sector with approximately 300.0 employees. The company is headquartered in New York, New York.

Industry & Role Insights

• • MessageCEO tracks 11,960 executives in the financial services sector.
• • We have verified contacts for 2 executives at Fiserv.
• • 6,952 executive contacts are available in New York.
• • Our database includes 201,469 c suite-level executives.

Outlook Amazon AWS Marketo Adobe Media Optimizer Facebook Widget Formstack Cedexis Radar Google Tag Manager Mobile Friendly Facebook Custom Audiences Google Font API Varnish Facebook Login (Connect) Vimeo AI Remote

fiserv forum tickets milwaukee bucks marquette golden eagles concerts events premium experiences gift cards accessibility community live entertainment deer district special events basketball sports family shows plan your visit directions parking group experiences concessions food options private events tours covid-19 information seating accessible seating guest services mobile ticket app download safety measures belonging event calendar showtimes fan experience live performances entertainment district venue accreditations sustainable design community engagement event planning guest feedback customer service social media updates newsletter exclusive offers special diets restrooms communities sustainability environmental services renewables & environment events services consumer internet consumers internet information technology & services

RC

Ryan Crowley Chief Operating Officer of Financial Institutions Group at Fiserv

IC

Il Choi Senior Executive Vice President and Chief Digital Officer at 리치앤코

JS

Jeff Sekinger Chief Executive Officer at 0 Percent

RF

Rehana Farrell Chief Executive Officer at 100 Women In Finance

KB

Kellan Brown Chief Operating Officer / Chief Development Officer at 100 Women In Finance

Outreach Guidance — financial services Sector

Financial services executives like Guy Chiarello prioritize security, compliance (SOC 2, SOX), and integration with existing systems. Reference industry-specific regulatory requirements and provide case studies from peer institutions.

Guy Chiarello's Position in the MessageCEO Database

• •Guy Chiarello is 1 of 2 verified executive contacts we track at Fiserv.
• •11,735 verified executive contacts in financial services are in the MessageCEO database.
• •6,778 verified executive contacts in New York are in the database.
• •81 verified contacts work at financial services companies in the 300.0 employee range (same size as Fiserv).

Executive contact data compiled from public business filings, LinkedIn public profiles, company press materials, and verified outbound email testing. We do not publish personal addresses or sensitive identifiers. Methodology & sources · Removal requests handled at /remove-info · Updated July 2026.

How do I reach Guy Chiarello directly?

Guy Chiarello's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Operating Officer at Fiserv. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Guy Chiarello work for?

Guy Chiarello is Chief Operating Officer at Fiserv, a company in the financial services sector with 300.0 employees. The company is based in New York, New York.

Can I pitch or sell to Guy Chiarello?

As Chief Operating Officer at Fiserv, Guy Chiarello is a key decision-maker in the financial services sector. MessageCEO Pro gives you verified email to reach Guy Chiarello directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Guy Chiarello in?

Guy Chiarello works in the financial services industry as Chief Operating Officer at Fiserv. MessageCEO provides verified contact information for executives across all major industries.

Is Guy Chiarello's contact information verified?

Yes. MessageCEO verifies executive contact information through multiple data sources and regular validation checks. Guy Chiarello's profile is kept up-to-date with the latest available information.

Last updated: July 24, 2026