Mark Janiak, Private Equity at Blackstone

Mark Janiak

Private Equity at Blackstone | New York City Metropolitan Area, United States

Profile last verified October 2026
Financial Services Verified Profile New York City Metropolitan Area, United States Seton Hall University
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***@gmail.com

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(212) ***-*381

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Mark Janiak serves in a Private Equity role at Blackstone within the financial services sector, operating out of the New York City metropolitan area. His professional profile emphasizes alternative investments, aligning his daily responsibilities with institutional capital allocation and private market strategy. He completed his university studies at Seton Hall University before joining Blackstone to focus on private equity transactions.

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Mark Janiak Socials
Mark Janiak Work Experience

Private Equity at Blackstone in September 2023 - Present

Private Equity at State Street in August 2019 - September 2023

FSO at EY in August 2016 - August 2019

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Investment Analysis at Hall Street Fund in September 2015 - September 2016

Government Relations at International Political Action Committee in January 2016 - June 2016

Campaign Finance at Presidential Candidate Campaign in August 2015 - February 2016

Asset Management at EY in June 2015 - September 2015

Relationship Management & Business Development at TicketIQ in January 2015 - June 2015

Sports Poll at Seton Hall University in January 2015 - May 2015

Analyst at MD On-Line in May 2014 - September 2014

Consultant at DPV Profitability Consultants in January 2014 - May 2014

Business Development Research Analyst at MD On-Line in May 2013 - September 2013

Assistant Financial Advisor at Summit Financial in August 2012 - April 2013

Director of Finance at Local Business in May 2008 - August 2012

Mark Janiak Education

Seton Hall University, Bachelor's & Master's Degrees, January 2012 to January 2016

PC Regional High School, High School, January 2008 to January 2012

Mark Janiak Skills
Microsoft Excel New Business Opportunities Leadership Syndications Market Research Business Strategy Portfolio Management Social Media Marketing Financial Analysis Project Planning Marketing Strategy Event Planning Research Finance Financial Structuring Corporate Finance Equity Derivatives Derivatives Treasury Due Diligence Valuation Competitive Analysis Financial Modeling Private Equity Hedge Funds Asset Management Investments Financial Services Microsoft Office Access PowerPoint VBA Microsoft Word Bloomberg Management Public Speaking Teamwork Time Management Communication Skills Strong Business Acumen Bilingual-Polish Managing Accounts Servant Leadership Financial Transactions Thomson Reuters Eikon Financial Statement Analysis Deal Execution Company Valuation Communication
About Mark Janiak’s Current Company
Blackstone

At State Street, we deliver leading investment platforms, data, expertise, and solutions that accelerate performance and better decision making. With over 200 years of global financial leadership, we equip institutional investors through a comprehensive suite of capabilities: Investment Services: Integrated front-to-back solutions across custody, accounting, and operations. Investment Management: Index and active strategies from one of the world’s largest asset managers. Markets: Multi-asset trading, FX solutions, and data-driven research to enhance portfolio value. Who We Are • 50,000+ employees worldwide • Active in 100+ markets • #1 in ETF servicing What You’ll Find Here • Executive perspectives and thought leadership • Timely market commentary and macro insights • Our views on investment operations, ETFs, private markets, and digital finance • Stories reflecting our culture, values and commitment to diversity and inclusion

Discover more about Blackstone
Mark Janiak’s Colleagues
Siddhesh Masurkar

Siddhesh Masurkar

Mumbai, Maharashtra, India

AML Compliance | KYC & CDD | Transaction Monitoring & Sanctions | FATCA-CRS | Data-Driven Insights

AML-KYC Associate 2 at State Street
(April 2022 – Present)

Shalini Seshadri

Shalini Seshadri

Karnataka, India

Vice President- HR | Coach, Strategic Advisor, HR Transformation Expert

Vice President Human Resources at State Street
(April 2020 – Present)

Vamshi Ranga

Vamshi Ranga

Hyderabad, Telangana, India

Senior Fund Accountant - Private Equity at The Citco Group Limited

Senior Fund Accountant - Private Equity at The Citco Group Limited
(December 2023 – Present)

Sonu Deshmukh

Sonu Deshmukh

Pune, Maharashtra, India

Experienced Financial Professional | State Street Pune |

Analyst II at State Street
(October 2023 – Present)

Jane Popova

Jane Popova

Cracow Metropolitan Area

Junior HR specialist | Recruiter | Talent Acquisition | People Operations Specialist

English Language Teacher at Centrum Edukacji w Skawinie
(March 2024 – Present)

Geetanjali Mathur

Geetanjali Mathur

Bengaluru, Karnataka, India

Manager-Talent Acquisition-India @Movate

Talent Acquisition -Emerging Lead at State Street
(September 2021 – Present)

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Frequently asked questions about Mark Janiak

What is Mark Janiak email address?

Email Mark Janiak at [email protected] and [email protected]. This email is the most updated Mark Janiak's email found in 2026.

How to contact Mark Janiak?

To contact Mark Janiak send an email to [email protected] or [email protected].

What company does Mark Janiak work for?

Mark Janiak works for Blackstone.

What is Mark Janiak's role at Blackstone?

Mark Janiak is Private Equity

What industry does Mark Janiak work in?

Mark Janiak works in the Financial Services industry.

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