AeroLeads people directory · profile

Ramtien Kalantar Email & Phone Number

Founder and CEO at lone_star

Location: Amsterdam, North Holland, Netherlands 6 work roles 2 schools

LinkedIn matched

✓ Verified July 2026 3 data sources Profile completeness 86%

Current company

lone_star

Role

Founder and CEO

Location

Amsterdam, North Holland, Netherlands

Company size

2 employees

Who is Ramtien Kalantar? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Ramtien Kalantar is listed as Founder and CEO at lone_star, a with 2 employees, based in Amsterdam, North Holland, Netherlands. AeroLeads shows a matched LinkedIn profile for Ramtien Kalantar.

Ramtien Kalantar previously worked as Team Lead Quant Trading at Blocktraders and Algorithmic Trader at Blocktraders. Ramtien Kalantar holds Master Of Science (Msc), Quantitative Finance - Gpa: 8.6/10 (Top 10% Of Year) from Erasmus School Of Economics.

Company email context

Email format at lone_star

This section adds company-level context without repeating Ramtien Kalantar's masked contact details.

lone_star

Review company-level records connected to Ramtien Kalantar before choosing the right outreach path.

View email format View company profile Management contacts

Profile bio

About Ramtien Kalantar

Ramtien Kalantar is a Founder and CEO at lone_star. They is proficient in English.

Current workplace

Ramtien Kalantar's current company

Company context helps verify the profile and gives searchers a useful next step.

Lone_Star

Founder and CEO

Dubai, AE

Website

lone-star.io

Employees

2

AeroLeads page

Company profile

View company profile Email format

6 roles

Ramtien Kalantar work experience

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

Founder And Ceo

Lone_Star

Dubai, Ae

Team Lead Quant Trading

Blocktraders

The Hague, South Holland, Netherlands

Feb 2024 - Sep 2024

Algorithmic Trader

Blocktraders

The Hague, South Holland, Netherlands

Aug 2021 - Mar 2024

Quant Analyst

Mathrix Group

Laren, North Holland, Netherlands

Oct 2018 - Feb 2020

Investment Banking Intern

Bnp Paribas

Amsterdam Area, Netherlands

BNP Paribas Corporate & Institutional Banking Benelux (CIB)

Mar 2018 - Jul 2018

Mathematics Tutor

University Of Groningen

Groningen, Netherlands

• Mathematics teaching assistent for class of pre-master students. • Biweekly tutorials of two hours teaching the fundamentals in calculus.

Sep 2014 - Dec 2014

2 education records

Ramtien Kalantar education

Master Of Science (Msc), Quantitative Finance - Gpa: 8.6/10 (Top 10% Of Year)

Erasmus School Of Economics

Financial Case study: Machine learning applied to portfolio management Extracurricular Activities: • High Potential Academy (2015 - 2019).

Bachelor Of Science (Bsc), Econometrics & Operations Research - Gpa: 8.1/10

University Of Groningen

Thesis topic: Modelling the yield curve based on a partial conjecture of future yields Thesis grade: 8.0/10 Extracurricular Activities: •.

FAQ

Frequently asked questions about Ramtien Kalantar

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

What company does Ramtien Kalantar work for?

Ramtien Kalantar works for lone_star.

What is Ramtien Kalantar's role at lone_star?

Ramtien Kalantar is listed as Founder and CEO at lone_star.

Where is Ramtien Kalantar based?

Ramtien Kalantar is based in Amsterdam, North Holland, Netherlands while working with lone_star.

What companies has Ramtien Kalantar worked for?

Ramtien Kalantar has worked for Lone_Star, Blocktraders, Mathrix Group, Bnp Paribas, and University Of Groningen.

How can I contact Ramtien Kalantar?

You can use AeroLeads to view verified contact signals for Ramtien Kalantar at lone_star, including work email, phone, and LinkedIn data when available.

What schools did Ramtien Kalantar attend?

Ramtien Kalantar holds Master Of Science (Msc), Quantitative Finance - Gpa: 8.6/10 (Top 10% Of Year) from Erasmus School Of Economics.

Security Check