Wholesale Market Making
Current
G1 Execution Services
Wholesale Market Making
Feb 2014 - Present
AeroLeads people directory · profile
Alex Graeffe Email & Phone Number
Wholesale Market Making
at
Susquehanna International Group, LLP (SIG)
1 work email found
@sig.com
2 phones found area 610
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 86%
Current company
Role
Wholesale Market Making
Location
Greater Philadelphia, United States
Who is Alex Graeffe? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Alex Graeffe is listed as Wholesale Market Making at Susquehanna International Group, LLP (SIG), based in Greater Philadelphia, United States. AeroLeads shows a work email signal at sig.com, phone signal with area code 610, and a matched LinkedIn profile for Alex Graeffe.
Alex Graeffe previously worked as Wholesale Market Making at G1 Execution Services and Senior Algorithmic Equity Trader at Susquehanna International Group, Llp (Sig). Alex Graeffe holds Ba, Economics from University Of Pennsylvania.
Company email context
Email format at Susquehanna International Group, LLP (SIG)
This section adds company-level context without repeating Alex Graeffe's masked contact details.
{first}.{last}@sig.com
86% confidence
AeroLeads found 1 current-domain work email signal for Alex Graeffe. Compare company email patterns before reaching out.
Profile bio
About Alex Graeffe
High Frequency and Algorithmic Equity and ETF Trading, Wholesale Market Making, Electronic Market Making and Proprietary Trading of Broad Based and Sector Index and ETF Options, Index Arbitrage.
Current workplace
Alex Graeffe's current company
Company context helps verify the profile and gives searchers a useful next step.
Susquehanna International Group, Llp (Sig)
AeroLeads page
4 roles
Alex Graeffe work experience
A career timeline built from the work history available for this profile.
Senior Algorithmic Equity Trader
High Frequency and Algorithmic Equity and ETF Trading
Index Trader
Electronic Market Making and Proprietary Trading of Broad Based and Sector Index and ETF Options, Index Arbitrage.
Jun 2004 - Mar 2010
1 education record
Alex Graeffe education
-
University Of Pennsylvania
FAQ
Frequently asked questions about Alex Graeffe
Quick answers generated from the profile data available on this page.
What company does Alex Graeffe work for?
Alex Graeffe works for Susquehanna International Group, LLP (SIG).
What is Alex Graeffe's role at Susquehanna International Group, LLP (SIG)?
Alex Graeffe is listed as Wholesale Market Making at Susquehanna International Group, LLP (SIG).
What is Alex Graeffe's email address?
AeroLeads has found 1 work email signal at @sig.com for Alex Graeffe at Susquehanna International Group, LLP (SIG).
What is Alex Graeffe's phone number?
AeroLeads has found 2 phone signal(s) with area code 610 for Alex Graeffe at Susquehanna International Group, LLP (SIG).
Where is Alex Graeffe based?
Alex Graeffe is based in Greater Philadelphia, United States while working with Susquehanna International Group, LLP (SIG).
What companies has Alex Graeffe worked for?
Alex Graeffe has worked for G1 Execution Services and Susquehanna International Group, Llp (Sig).
How can I contact Alex Graeffe?
You can use AeroLeads to view verified contact signals for Alex Graeffe at Susquehanna International Group, LLP (SIG), including work email, phone, and LinkedIn data when available.
What schools did Alex Graeffe attend?
Alex Graeffe holds Ba, Economics from University Of Pennsylvania.
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