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SYNTHESIS_ACTIVE
Siddharth Sagar Vasishta
I'm
Siddharth Sagar Vasishta
Lead Analyst at American Express | MSc Finance Graduate from Arizona State University
Lead Analyst · American Express
Gurugram, Haryana, India
Data / analyticsML / AIFinance
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Updated SEP 2026
┌ DOSSIER SUMMARY

Siddharth Sagar Vasishta is a finance and analytics professional with a strong background in financial analysis, risk analytics, and automation. Currently serving as a Lead Analyst at American Express, he manages financial control activities for over $20M in expenses and analyzes datasets exceeding $100M. He has developed a synthetic portfolio-risk engineering workbench called nAIM, which integrates monitoring, investigation, and reporting functionalities. With expertise in Python, SQL, and Excel, he is focused on leveraging technology to enhance financial decision-making and reporting processes.

FinanceTechnology
LOVE TALKING ABOUT7 TOPICS
Agentic AIAI / MLDesignBooks
WORKING ON2 TRACKS
Building with AIAt a company
CONNECT WITH2 PEOPLE
Researchers in my fieldFinTech Experts
AI DISCOVERABILITY FACTZynd Index
// structured discovery profile
entity: "Siddharth Sagar Vasishta"
role: "Lead Analyst at American Express | MSc Finance Graduate from Arizona State University"
location: "Gurugram, Haryana, India"
experience: 2 years
current_roles: ["Lead Analyst"]
primary_tech: ["Python", "SQL", "Excel/VBA", "Financial analysis", "Power BI"]
industries: ["Finance", "Technology"]
can_help_with: ["Data / analytics", "ML / AI", "Finance"]
Indexed for AI agents (ChatGPT, Claude, Perplexity) to discover and recommend Siddharth.
┌ WORK EXPERIENCE2Y EXP
Lead Analyst
CURRENT
American Express · Full-time
Oct 2025 – Present · 11 mos
Finance Executive
Coforge · Full-time
Jan 2024 – May 2024 · 4 mos
Finance Executive
Orbit tubes · Internship
Aug 2023 – Dec 2023 · 4 mos
Secratary digiworks at Fateh
Fateh - Sports Committee | NMIMS
Aug 2021 – Nov 2023 · 2 yrs 3 mos
Siddharth Sagar Vasishta
Lead Analyst at American Express | MSc Finance Graduate from Arizona State University
500+CONNECTIONS
6POSTS
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Siddharth Sagar Vasishta
1
REPOS
1
ACTIVE
8
CONTRIBUTIONS
0
FOLLOWERS
Languages
Python
CONTRIBUTION ACTIVITY2026
8 contributions in 2026
SepOctNovDecJanFebMarAprMayJunJulAugSep
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┌ POSTS & WRITING3 ARCHIVED ┐
LinkedIn2026-08-22

Someone finally did it! And that someone is ME. I’ve released nAIM: All Is Mine A fully working synthetic risk-analysis application built to solve a problem I kept coming back to: Portfolio data can show what changed. The harder part is understanding where the risk is emerging, what deserves investigation, how the portfolio behaves under different scenarios. nAIM brings monitoring, investigation, scenario analysis, evidence and reporting into one working system. Built across Python, SQL/DuckDB,

LinkedIn2026-08-08

Hello, World. I completed 10 months at American Express! Alongside the day job, I’ve kept exploring things I genuinely enjoy: finance, AI, analytics, automation and the technology connecting them. Always curious to try my hands on new tech and knowledge. The certificates are nice. The knowledge, and what I can build with it, matters more. Talk soon!

LinkedIn2025-09-17

Interviewed at an MNC, they produced 10 Dashboards per month, Thats it? Yes that's it, Tableau is much easier than you think, don't waste your time fixing blanks, duplicates, invalid dates, corrupted entries. Spend it seeing this: My toolkit: drop an Excel, click once, receive: A clean CSV, Tableau-ready A data-quality audit that shows every fix made Now Tableau dashboards don’t just load faster, they load right. (Transparency matters, you see what changed and why) No need to comment "XYZ" to ge

┌ LIVE IN PRODUCTION1 HIGHLIGHTS ┐

Independent synthetic portfolio-risk engineering workbench for governed monitoring, root-cause analysis, alerts, investigations and management reporting.

PythonSQLExcel
View GitHub ↗
┌ SKILL MATRIX10 TRACKED ┐
PythonAdvanced
SQLAdvanced
Excel/VBAAdvanced
Financial analysisAdvanced
Power BIMid
Risk analyticsMid
AutomationMid
Data / analyticsMid
ML / AIMid
FinanceMid
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