Two Sigma Email Formats
Contact top employees from
Two Sigma
- Two Sigma uses 6 different email formats. The most common is lastName-firstNameInitial (for example, doe-j@twosigma.com), which appears in about 33% of work addresses.
- Other common patterns include:
- lastNamefirstName: doejane@twosigma.com (20%)
- firstName-lastName: jane-doe@twosigma.com (26%)
Two Sigma’s Popular Email Formats
| Format | Example | Percentage |
|---|---|---|
Format lastName-firstNameInitial |  doe-j@twosigma.com | Percentage: 33% |
Format firstName-lastName | jane-doe@twosigma.com | Percentage: 26% |
Format lastNamefirstName | doejane@twosigma.com | Percentage: 20% |
Format lastName-firstName | doe-jane@twosigma.com | Percentage: 13% |
Format lastNameInitial_firstNameInitial | d_j@twosigma.com | Percentage: 5% |
Format lastNameInitial_firstName | d_jane@twosigma.com | Percentage: 3% |
Contact top employees from
Two Sigma
Tim TreeseReliability Engineering Manager, Security
Joseph KushnerVice President
Emily ReffVice President - Modeling Engineering
Aditi ChaudhryVP, Security Engineering Manager
Risa KavalerchikSVP, Corporate Management (Office of the COOs)
Leah PetersenEngineering Manager
Joanna LeeVice President
Alex ReynoldsSenior Vice President, Head of Employee Relations
Jean SunVP, Senior Technical Program Manager
Claudia RuizVice President - Procurement
Jake BogradSVP, Product Management
Noel AlexanderVice President, Strategy & Operations
Mandy TaiBusiness Project Manager
Kevin BurgVice President
John ZhangEngineering Manager
Alyssa Lees PhDSenior Vice President
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Two Sigma Corporate Information: FAQ
Two Sigma is a New York‑based financial technology firm founded in 2001 that blends investment management with cutting‑edge technology. Its core offerings span quantitative modeling, data science, software development, and systematic trading solutions, delivering analytics and portfolio strategies across global markets.
With a workforce of between 1,000 and 5,000 employees and annual revenue ranging from $1 billion to $5 billion, Two Sigma harnesses large‑scale data infrastructure and advanced algorithms to drive investment performance. The company’s technology platform supports robust risk management, infrastructure scalability, and proprietary research tools for portfolio construction.
The leadership team includes Vice Presidents Joseph Kushner, Emily Reff, Joanna Lee, Kevin Burg, Claudia Ruiz, Noel Alexander, and others who oversee modeling engineering, corporate management, strategy & operations, procurement, employee relations, and infrastructure. Senior scientists Shuren Xia and Zihao Li lead artificial intelligence and quantitative research efforts, while Gene Li focuses on model development. The firm’s senior vice presidents—Alyssa Lees PhD, Alex Reynolds, and Justin Gracenin—direct research, people programs, and technical foundations that sustain its analytical edge.
With a workforce of between 1,000 and 5,000 employees and annual revenue ranging from $1 billion to $5 billion, Two Sigma harnesses large‑scale data infrastructure and advanced algorithms to drive investment performance. The company’s technology platform supports robust risk management, infrastructure scalability, and proprietary research tools for portfolio construction.
The leadership team includes Vice Presidents Joseph Kushner, Emily Reff, Joanna Lee, Kevin Burg, Claudia Ruiz, Noel Alexander, and others who oversee modeling engineering, corporate management, strategy & operations, procurement, employee relations, and infrastructure. Senior scientists Shuren Xia and Zihao Li lead artificial intelligence and quantitative research efforts, while Gene Li focuses on model development. The firm’s senior vice presidents—Alyssa Lees PhD, Alex Reynolds, and Justin Gracenin—direct research, people programs, and technical foundations that sustain its analytical edge.
Two Sigma uses 6 email formats across its organization. The most common pattern is lastName-firstNameInitial (e.g., doe-j@twosigma.com), used in approximately 33% of work addresses.
Two Sigma currently employs over 1000-5000 people from United States, Canada, South Africa, Hong Kong, China, with a head office in New York, NY.
You can find and reach Two Sigma decision-makers — including Vice President, Vice President, Senior Engineer — directly through SignalHire. SignalHire provides verified email addresses and contact details for Two Sigma's leadership.
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