Susquehanna International Group is a privately held global quantitative trading and technology firm specializing in systematic trading strategies across equities, fixed income, energy, commodities, indices, derivatives, private equity, and venture capital. The firm employs over 3,500 people across 17+ offices worldwide and operates as a specialist and designated primary market maker for approximately 600 equity options and 45 index options on major U.S. exchanges (CBOE, AMEX, PHLX, ISE). Susquehanna applies machine learning, advanced quantitative research, and game theory-based decision science to uncover actionable insights from vast datasets. Founded in 1987 by college friends with poker and quantitative trading experience, the firm has built a distinctive culture emphasizing collaboration, intellectual rigor, and continuous learning. Signal Plug searches live against susquehanna.com's mail server to find and verify email addresses for any Susquehanna International Group employee.
Signal Plug searches live against susquehanna.com's mail server — not a static database. Get a verified email for any Susquehanna International Group employee with confidence score in under 2 seconds.
94% accuracy · No credit card required · 10 free searches/month
Susquehanna International Group is a privately held global quantitative trading and technology firm specializing in systematic trading strategies across equities, fixed income, energy, commodities, indices, derivatives, private equity, and venture capital. The firm employs over 3,500 people across 17+ offices worldwide and operates as a specialist and designated primary market maker for approximately 600 equity options and 45 index options on major U.S. exchanges (CBOE, AMEX, PHLX, ISE). Susquehanna applies machine learning, advanced quantitative research, and game theory-based decision science to uncover actionable insights from vast datasets. Founded in 1987 by college friends with poker and quantitative trading experience, the firm has built a distinctive culture emphasizing collaboration, intellectual rigor, and continuous learning.
Competitive Advantage
Founders leveraged poker experience to develop early quantitative trading strategies; firm integrates board games, puzzles, and strategic games throughout daily operations as core decision-making training tool; designated primary market maker in options markets for major tech companies including Google, Goldman Sachs, JPMorgan Chase, Microsoft, and major indices like Nasdaq and Russell 2000; operates 17+ offices enabling nearly 24/7 global trading coverage across major financial hubs; affiliated entity Susquehanna Financial Group (SFG) is a FINRA member.
The most commonly verified format at Susquehanna International Group:
High ConfidenceSignal Plug tests all common patterns against Susquehanna International Group's live mail server and returns whichever passes the SMTP check.
Run a live search for Susquehanna International Group →Data-driven signals to help you prospect Susquehanna International Group effectively.
Talent recruiters seek quantitative researchers, engineers, and traders with strong analytical backgrounds. Investment firms and hedge funds view Susquehanna as a top-tier competitor and potential hiring source for skilled quant professionals.
Primary Contact
Quantitative Researchers
Tuesday–Thursday, 9am–11am
Signal Plug performs live SMTP verification against susquehanna.com's mail server — not a static scraped database — which means results reflect the real, current state of Susquehanna International Group's email infrastructure. Here's how to run a lookup:
Create a free account
Sign up at Signal Plug in under 30 seconds. No credit card required. The Free plan includes 10 searches per month so you can test the tool with real Susquehanna International Group contacts before upgrading.
Enter the contact's name
Type the first and last name of the Susquehanna International Group employee you want to reach. Signal Plug handles all seniority levels, from C-suite to individual contributors.
Enter the domain
Use susquehanna.com. Signal Plug tests all common naming patterns automatically and returns only the format that passes the SMTP check.
Get a verified result
Signal Plug returns an email address with a confidence score (0–100) and deliverability status (Valid, Risky, or Catch-all) within 2 seconds. The confidence score tells you how reliable the result is before you use it.
Export and use
One-click CSV export lets you bring Susquehanna International Group contacts into Salesforce, HubSpot, Outreach, Lemlist, or any other tool in your stack. Growth and Scale plan users can run bulk lookups across an entire list of Susquehanna International Group names in a single batch.
Whether you're running outbound sales, recruiting, or building a partnership list, these are the roles most frequently contacted at Financial Services like Susquehanna International Group.
Based on Susquehanna International Group's profile, the highest-value contacts for outbound are:
Signal Plug works for any role at any seniority level at susquehanna.com. If you have a name and the domain, you can find a verified email.
How well Susquehanna International Group fits a typical B2B outbound pipeline, based on available signals.
Strong Fit
Funnel Fit Score
Most email finder tools pull from static databases of scraped email addresses. These databases go stale as people change jobs and companies update their email infrastructure. Signal Plug takes a different approach: every search performs a live check against susquehanna.com's mail server using SMTP verification. This means results reflect the current state of Susquehanna International Group's email system — not a cached result from months or years ago.
Signal Plug enriches every result with supporting data: a confidence score (0–100), deliverability status (Valid, Risky, or Catch-all), job title where available, and LinkedIn profile URL. This context helps you prioritize which Susquehanna International Group contacts to email first and personalize your outreach before you hit send. Plans start at $29/month for 500 searches — no annual contracts or seat fees.
Signal Plug performs a live SMTP check against susquehanna.com's mail server for every query — not a static database lookup. Our platform-wide accuracy rate is 94%. Each result comes with a confidence score (0–100) so you can gauge reliability before using the address.
Free plan: 10 searches. Starter ($29/mo): 500. Growth ($149/mo): 2,000. Scale ($299/mo): 5,000. No company-specific caps.
No. Signal Plug generates and verifies emails in real time via SMTP checks — no static database of Susquehanna International Group employee emails is maintained.
Yes. Growth and Scale plan users can upload a CSV of names and run bulk lookups against susquehanna.com in a single batch.
Susquehanna is a global quantitative trading firm that applies machine learning, advanced research, and game theory to design and deploy systematic trading strategies across equities, derivatives, fixed income, commodities, and other asset classes.
Susquehanna International Group was founded in 1987 by a group of college friends who began trading independently on the Philadelphia Stock Exchange floor.
Susquehanna employs over 3,500 people across more than 17 offices globally.
Susquehanna operates offices in North America (New York City, Chicago, San Francisco, Philadelphia, Boston, Stamford), Australia (Sydney), Europe (Dublin, London), and Asia (Shanghai, Beijing, Hong Kong, Tokyo).
Signal Plug searches in real time against susquehanna.com's mail server to find and verify email addresses for Susquehanna International Group employees. Enter a name, enter the domain, get a verified result with a confidence score in under 2 seconds.
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