Stephen O'Brien
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Stephen O'Brien Email & Phone Number

Investment Services at Gilder Gagnon Howe & Co. LLC
Location: New York City Metropolitan Area, United States 7 work roles 1 school
1 work email found @gghc.com LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email s****@gghc.com
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Role
Investment Services
Location
New York City Metropolitan Area, United States
Company size

Who is Stephen O'Brien? Overview

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Quick answer

Stephen O'Brien is listed as Investment Services at Gilder Gagnon Howe & Co. LLC, a with 101 employees, based in New York City Metropolitan Area, United States. AeroLeads shows a work email signal at gghc.com and a matched LinkedIn profile for Stephen O'Brien.

Stephen O'Brien previously worked as Operations at Gilder Gagnon Howe & Co. Llc and Senior Operations at Mariner Wealth Advisors. Stephen O'Brien holds Bachelor Of Business Administration, Finance from Iona College.

Company email context

Email format at Gilder Gagnon Howe & Co. LLC

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{first_initial}{last}@gghc.com
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AeroLeads found 1 current-domain work email signal for Stephen O'Brien. Compare company email patterns before reaching out.

Profile bio

About Stephen O'Brien

Creative and resourceful professional problem solver that seeks peak performance with an attention to detail; Able to adapt to changing priorities and maintain a positive attitude with a strong work ethic;

Listed skills include Finance, Microsoft Excel, Microsoft Office, Investments, and 14 others.

Current workplace

Stephen O'Brien's current company

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Gilder Gagnon Howe & Co. LLC
Gilder Gagnon Howe & Co. Llc
Investment Services
new york, new york, united states
Website
Employees
101
AeroLeads page
7 roles

Stephen O'Brien work experience

A career timeline built from the work history available for this profile.

Investment Service Representative

• Distinguished performance working with Managing Director on daily operations • Analyzed data sets to assure reporting accuracy• Prepared trade recommendations • Summariezed estate documentation to determine the flow of assets • Onboarded clients from initial implementation to estate processing • Administered domestic and international wire transfers, journals, and complex ad-hoc requests• Communicated directly with clients on current matters at hands • Created new report templates to capture historical performance tailored to billion-dollar client’s request • Streamlined data reconciliation process into portfolio database which resulted in faster report generation and increased team productivity • Proposed solutions to the quarterly invoicing process that aided billing accuracy • Improved tracking of investment assets under management (AUM)• Teach colleagues new strategies for completing tasks which increased department efficiency

Apr 2014 - Mar 2017

International Sales Coordinator

- Process all open orders by reviewing pricing, inventory, forecast and ship dates for assigned accounts with tight shipping deadlines.- Review open order, sales & inventory reports and work with Operations and sales representatives to fill orders and advise customers accordingly.- Track deliveries and investigate and resolve any issues.- Generate time sensitive weekly reports and distribute to outside sales and internal personnel.- Review purchase orders to ensure customers adhere to policy; make appropriate departments aware of any discrepancies and address accordingly.- Work with the warehouse operations to ensure all orders are processed and invoiced in a timely manner.- Gather and analyze various data such as International Distributor Sell-In & Sell Through Data, NPD Market Date, Promotional Tracking, Points of Distribution - Maintain Domestic and International Pricing Portfolio, which includes analyzing gross margin

Sep 2012 - Apr 2014

Service Advisor

Stamford Motorsports

Stamford, Ct

Oversee daily repair operations in garageDispatching work to the technicians Maintaining customer repair orders and relationshipsWrite up/Bill build orders for sales inventory

Jul 2012 - Sep 2012

Shop Manager/Technician

Shop Manager/Technician• Managed daily shop operations and trained new employees• Created tailored products to achieve the clients desired end result • Promoted company growth through social media and increased sales • Analyzed, diagnosed, and installed various 12 volt peripherals • Assisted in the organization of files and provided support with business administrative tasks • Attended trade shows to meet with new suppliers

Oct 2007 - Jul 2012

Shop Assistant And Facility Assistant

Maintain inventory of members' golf equipment, monitor use of and care of golf carts and maintenance of driving range and putting green

Oct 2007 - Nov 2008
Team & coworkers

Colleagues at Gilder Gagnon Howe & Co. LLC

Other employees you can reach at gghc.com. View company contacts for 101 employees →

1 education record

Stephen O'Brien education

FAQ

Frequently asked questions about Stephen O'Brien

Quick answers generated from the profile data available on this page.

What company does Stephen O'Brien work for?

Stephen O'Brien works for Gilder Gagnon Howe & Co. LLC.

What is Stephen O'Brien's role at Gilder Gagnon Howe & Co. LLC?

Stephen O'Brien is listed as Investment Services at Gilder Gagnon Howe & Co. LLC.

What is Stephen O'Brien's email address?

AeroLeads has found 1 work email signal at @gghc.com for Stephen O'Brien at Gilder Gagnon Howe & Co. LLC.

Where is Stephen O'Brien based?

Stephen O'Brien is based in New York City Metropolitan Area, United States while working with Gilder Gagnon Howe & Co. LLC.

What companies has Stephen O'Brien worked for?

Stephen O'Brien has worked for Gilder Gagnon Howe & Co. Llc, Mariner Wealth Advisors, Clarfeld Financial Advisors Llc, Turtle Beach, and Stamford Motorsports.

Who are Stephen O'Brien's colleagues at Gilder Gagnon Howe & Co. LLC?

Stephen O'Brien's colleagues at Gilder Gagnon Howe & Co. LLC include Amanda Casey, Deven Markase, Darnell Wilson, Onelia Rodriguez, and Robert Reddington.

How can I contact Stephen O'Brien?

You can use AeroLeads to view verified contact signals for Stephen O'Brien at Gilder Gagnon Howe & Co. LLC, including work email, phone, and LinkedIn data when available.

What schools did Stephen O'Brien attend?

Stephen O'Brien holds Bachelor Of Business Administration, Finance from Iona College.

What skills is Stephen O'Brien known for?

Stephen O'Brien is listed with skills including Finance, Microsoft Excel, Microsoft Office, Investments, Management, Microsoft Word, Social Media, and Microsoft Powerpoint.

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