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Our Story

About Paramount Sentinel Advisors

15 years of transforming businesses through expert advisory, strategic insight, and unwavering commitment to client success.

We Exist to Make Great Businesses Greater

Paramount Sentinel Advisors was founded on a simple but powerful belief: every business—regardless of size or stage—deserves access to the same caliber of strategic advisory expertise that Fortune 500 companies receive.

We are more than consultants. We are strategic partners who roll up our sleeves, embed ourselves in your challenges, and work relentlessly until we've delivered results you can measure and celebrate.

Our name says it all. We are Paramount—because excellence is non-negotiable. We are Sentinel—because we stand guard over your business interests. And we are Advisors—because trust, expertise, and counsel are at the core of everything we do.

2008
Year Founded
50+
Expert Advisors
12
Industries Served
6
Global Offices

Core Values That Guide Us

🎯

Results-Driven Excellence

Every engagement is measured by tangible outcomes. We don't just advise—we commit to delivering measurable results that move the needle for your business.

🤝

True Partnership

We operate as an extension of your leadership team. Your success is our success, and we invest ourselves fully in understanding your business before prescribing solutions.

🛡️

Integrity & Transparency

We tell you what you need to hear, not just what you want to hear. Honest counsel, clear communication, and complete transparency in everything we do.

💡

Innovation & Adaptability

Business landscapes evolve rapidly. We stay ahead of trends, leverage cutting-edge tools, and bring fresh thinking to even the most complex business challenges.

📚

Continuous Learning

Our advisors are lifelong learners who constantly sharpen their expertise through research, certification, and cross-industry experience to deliver state-of-the-art counsel.

🌍

Inclusive Impact

We believe great advisory should be accessible. We work with businesses of all sizes and are committed to creating equitable opportunities through the organizations we serve.

15 Years of Milestones

2008
PSA Founded in New York

Marcus Whitfield and two partners launch Paramount Sentinel Advisors from a two-room Manhattan office with a vision to democratize elite business advisory.

🏢
🚀
2011
First Major Enterprise Client

PSA lands its first Fortune 500 engagement, a comprehensive operational transformation that reduces costs by 31% and sets the template for our methodology.

2014
Expansion to Chicago & Atlanta

Rapid client growth drives regional expansion. PSA opens offices in Chicago and Atlanta, growing the team to 25 advisors and serving 50+ clients.

📍
🏆
2017
Forbes "Top Advisory Firms" Recognition

PSA is named one of Forbes' top business management consulting firms in North America, validating our commitment to client outcomes and industry leadership.

2019
International Offices: London & Dubai

PSA takes its advisory expertise global, opening international offices to serve multinational clients and support expansion into EMEA markets.

🌍
💻
2021
Digital Advisory Platform Launch

PSA launches its proprietary digital advisory platform, enabling real-time dashboards, remote advisory sessions, and transparent project tracking for all clients.

2024
200+ Clients, $4B+ Impact

PSA marks 15 years of excellence with a portfolio of 200+ clients served, $4B+ in revenue generated, and a team of 50+ world-class advisors across 6 global offices.

The PSA Advisory Team

Seasoned professionals committed to your business success.

👔

Marcus J. Whitfield

CEO & Managing Director

25+ years in executive consulting. Former McKinsey partner. MBA from Harvard Business School.

👩‍💼

Dr. Serena M. Caldwell

Chief Strategy Officer

PhD from Wharton. Digital transformation expert and board advisor to Fortune 500 companies.

🧑‍💼

David T. Okonkwo

Director of Finance

CFA charterholder. Former VP at Goldman Sachs. 20 years in investment banking.

👩‍🔬

Lisa P. Harrington

Head of Risk & Compliance

Certified Risk Professional. 18 years specializing in enterprise risk and regulatory compliance.

👨‍🏫

Jonathan R. Esteves

Operations Practice Lead

Lean Six Sigma Black Belt. Former COO of a $500M manufacturing enterprise. 22 years in operations.

👩‍💻

Priya N. Sharma

Digital Transformation Lead

Former Google strategy executive. Specializes in technology-driven business transformation and AI adoption.

🧑‍🎓

Thomas A. Brennan

Human Capital Practice Lead

SHRM-certified HR strategist. Led talent transformation programs at 3 NYSE-listed companies.

👩‍🌾

Naomi C. Wallace

Growth Strategy Director

Guided 15+ companies through successful market expansions. Expertise in go-to-market strategy and M&A.

Awards & Accreditations

🏆
Forbes Top Advisory Firms
2017, 2019, 2022, 2024
BBB Accredited A+ Rating
Since 2010
🎖️
Inc. 5000 Fastest Growing
2015, 2018, 2021
🔐
SOC 2 Type II Certified
Annual Certification

Careers at PSA

We're building a world-class advisory team. Ready to make an impact?

Strategy
Senior Business Strategy Consultant
Full-time New York 5+ yrs exp
Apply →
Finance
Financial Advisory Manager
Full-time Chicago CFA preferred
Apply →
Operations
Operations Excellence Consultant
Full-time Remote / Hybrid Six Sigma
Apply →
Technology
Digital Transformation Analyst
Full-time New York / London Entry-Mid level
Apply →

News & Insights

📊
Strategy

5 Business Strategy Trends Shaping 2025

From AI integration to resilient supply chains, these are the strategic priorities every business leader must address heading into the next fiscal year.

December 2024 · 8 min read
🛡️
Risk Management

Building a Recession-Proof Business in Uncertain Times

How to build financial resilience, diversify revenue streams, and create operational buffers that protect your business through economic downturns.

November 2024 · 6 min read
👥
Human Capital

The New Rules of Talent Retention in 2024

Remote work, compensation equity, and purpose-driven culture are reshaping how companies attract and keep top talent. Here's what our research shows.

October 2024 · 7 min read

Ready to Partner With PSA?

Let's start a conversation about your business goals and how our team can help you achieve them.