Leadership

Nick Dunn is a seasoned federal contracting executive with over 18 years of experience delivering award-winning professional and IT services to U.S. government clients. He currently leads the professional and IT services sector of the PCI Federal enterprise and serves on the Board of Managers for SuprTEK, a leading cybersecurity and DevSecOps firm. He oversees strategic growth, innovation, and client delivery across a $100M+ portfolio of prime federal contracts supporting mission-critical agencies, including the Department of Defense and Department of Homeland Security.

Previously, Nick founded Integrated Federal Solutions (IFS), growing it from a solo startup into a $100M+ 8(a) prime contractor recognized for exceptional performance and rapid growth. He began his career as a Contracts Legal Specialist with the U.S. Army and later advised federal agencies on pricing, compliance, and risk.

Nick holds a J.D. from The George Washington University Law School, a B.S. in Finance from the University of Alabama, and maintains an active Top Secret security clearance.

As PCI-GS Executive Vice President, Mr. Henderson's responsibilities include driving business development (Federal Agencies and DoD) and teaming, as well as corporate and operational management support. Mr. Henderson reports directly to the President & CEO, Mr. Nick Dunn.

Mr. Henderson has over twenty-nine years of Federal and Department of Defense experience. He has served in executive management positions at two successfully graduated 8(a) firms and has managed over $500M in prime contracts and associated delivery orders. Major Key Business Areas supported include Professional Services, Information Technology, Facilities Management, Construction and Environmental Services.

His experience at large GOVCON firms include Alion Science and Technology (NAVSEA support – CG 47 HM&E program and NAVSUP Environmental programs) and Wyle Laboratories (GWACs Director).

He possesses extensive experience in marketing, proposal development and contract negotiations and has strong experience with small business programs to include 8(a)/SDB, HUBZone and Veteran-Owned.

Mr. Henderson is a native of Virginia and a graduate of George Mason University.

Ms. Liu is the Vice President of Operations and brings a wealth of project/program management and business operations experience across a 25-year career. Prior to joining PCI-GS, Ms. Liu worked at Verizon for 16 years in increasingly senior roles in Enterprise and IT and then joined the federal government contracting environment in 2019 at an SDVOSB.

Her focus is always on continuous improvement and scaling towards process automation for continual growth. She takes pride in building high performing teams and making sure that everything she and her team deliver is adding value to the company, the business and the future.

Ms. Liu holds a BS in Business Management from Purdue University and is a SAFe Agilist 4.0, and IC Agile Certified Professional, a Certified Scrum Master, and holds her Project Management Professional certification. She lives in Northern Virginia.

For more than two decades, Meredith Delaware has proven instrumental in shaping the strategic growth and transformation of organizations that advance national security. Her experience managing complex, high-value initiatives and developing high-performing teams has helped organizations in the federal consulting space sustain growth and achieve operational excellence.

Over the course of her career, Meredith has led large-scale M&A integrations, managed P&L for $100M+ business units, and designed business strategy for multi-billion-dollar Fortune 500 organizations. Her expertise in analytics, data, and AI transformation has driven investment in multi-million-dollar programs applying AI/ML to national security use cases.

Prior to joining PCI, Meredith held leadership roles at Booz Allen Hamilton, leading business units focused on consulting, analytics, and AI.

Meredith has built her expertise in research and analysis upon a liberal arts foundation. She holds a Bachelor of Arts in International Relations from William & Mary and is an alumnus of the General Management Program at Wharton School of Business. Early experience supporting critical intelligence missions as analyst, trainer, and an intelligence portfolio executive honed her aptitude for strategic development and change management. The result is an approach that deftly blends strategy with actionable guidance to effectively lead large organizations into the future.

Mr. Dinh brings over 20 years of experience leading large-scale business transformation and complex financial services projects for federal agencies. He has advised a wide range of federal clients within the Departments of Defense, Homeland Security, Veterans Affairs, Housing and Urban Development, Energy, and other federal agencies. Prior to joining PCI, he held consulting leadership roles at IBM, PwC, and Eagle Hill Consulting.

As PCI’s Director of Financial Services, Mr. Dinh is responsible for developing and overseeing our growing portfolio of financial services projects, which cover federal loan and grant programs, finance strategy and operations, financial performance and efficiency, budgeting and financial planning, and acquisitions.

Mr. Dinh holds a Bachelor of Arts in Psychology from Cornell University and a Master of Public Administration from the Maxwell School at Syracuse University. He is a certified PMP, Scrum Master, and SAFe 5 Practitioner.

Mr. Polston brings over 30 years of results-oriented, executive experience leading small and mid-sized businesses providing needs-based professional services to Federal Government (IC, Defense, and Civilian agencies). Prior to joining PCI-Government Services (GS), he served as Vice President of the Mission Solutions Group at Preferred Systems Solutions (PSS). He has also held leadership positions at Government Contract Solutions (GCS), Summit Solutions, Lockheed Martin and Bearing Point where he established a strong record for building successful, customer focused organizations.

He received a Master Business Administration (MBA) from DePaul University. He is a retired as a Captain (Supply Corp), United States Naval Reserves (USNR). He is a certified Project Management Professional (PMP).

Ms. Martinez Marin has over 20 years of experience in strategy and finance, working with numerous Fortune 500 and Global 100 companies as well as academic and healthcare institutions. She has been a trusted advisor of C-level executives and senior strategists and has partnered with them to address and provide solutions to their most pressing business challenges.

Ms. Martinez Marin drives operational, marketing and business development initiatives across the PCI-GS Consulting Management portfolio and supports major transitions. She specializes in the areas of Strategic Planning and Communications, Change Management and Human Capital. Ms. Martinez Marin holds an M.A. in Political Science from the University of Hawai`i (UH) and a B.A. in Economics from Florida State University where she graduated with Honors. She is an Omicron Delta Epsilon member. She has taught political economy, federal government, and international law courses at UH and Fujen University, Taiwan. She has lived and worked in Europe and East Asia, and works and resides in Washington D.C.

Mrs. Parmer serves as the Corporate Director of Finance & Administration at Ecke Holding Company LLC (dba PCI Federal Services) headquartered in Atmore, Alabama. With a focus on administrative, financial, and analytical support, Mrs. Parmer plays a crucial role in developing and implementing internal policies and procedures, ensuring accurate financial reporting, and overseeing day-to-day accounting functions for Corporate and subsidiary entities. With over twenty years in finance, accounting and operations across various industries, Mrs. Parmer brings a wealth of experience and expertise to her current role.

Mrs. Parmer is a native of Alabama and received her Bachelor of Business Administration with a concentration in Accounting and her Masters of Accountancy degree from The University of Alabama.

Mrs. Martino is a Senior Contracts Manager with over 20 years of experience supporting Department of Defense (DoD) and intelligence community programs across the cyber, space, and national security sectors. She has a strong background in managing the full contract lifecycle, from negotiation to closeout, and is known for her practical approach, attention to detail, and understanding of complex government requirements. Mrs. Martino is known for her strategic insight, attention to detail, and commitment to mission success. Mrs. Martino resides in Northern Virginia.

Mr. Zinck is a Senior Program Manager and an innovative senior professional with project management and advanced business operational experience. He is responsible for strategic, financial and oversight operations including all aspects of contract execution. He oversees contracts supporting USCIS, FTA, USDA, IRS, NIH, AFDW, and HHS. He functions as the primary point of contact with sponsors and representatives on project issues, engages team resources, and drives business and staff development.

Mr. Zinck has managed large complex contracts that spread across almost all government agencies managing the federal employees’ retirement benefits for the FRTIB (Federal Retirement Thrift Investment Board). His group was responsible for managing the annual intake of over $37B federal employee retirement contributions and the disbursement of over $1B death and legal benefits. He helped develop and implement the U.S. Military’s Blended Retirement System (BRS) for the Thrift Savings Plan (TSP). He has over 20 years management experience and is a certified Project Management Professional (PMP).

Mr. Hyndman is a Senior Program Manager with over 15 years of experience in federal consulting. He has focused his delivery on a portfolio within Health and Human Services (HHS) agencies, including the Centers for Disease Control and Prevention (CDC) and the Office of the National Coordinator for Technology (ONC). Ryan manages large-scale, complex projects with multimillion-dollar budgets.

He holds a BA in Business Administration with a concentration in Management from Morehouse College and is PMP certified. Known for his strong leadership, coaching, and relationship-building skills, Ryan is dedicated to delivering excellence in every project he undertakes. He resides in Atlanta, GA.

Ms. Cooper brings more than a decade of expertise in government contracting and seven years’ experience dedicated to program management to her role as Sr. Program Manager. Her background includes five years at the Defense Health Agency, where she played a key role in both the reform and implementation of governance processes. Additionally, she has successfully managed Indefinite Delivery Indefinite Quantity (IDIQ) contracts for the U.S. State Department and contributed to significant emergency humanitarian relief initiatives. Hayley contributes to PCI-GS’s tremendous growth and is a key contributor to our ongoing success. She has a BS in Public Health, and a Master’s in Public Administration. Ms. Cooper resides in MD.

Ms. Gardner is a Senior Program Manager with 25+ years of experience in management consulting, program management, acquisition, and cost estimation. She has worked with numerous U.S. federal agencies and the Department of Defense (DoD) in her career, including DHS, FEMA, U.S. Navy, U.S. Marine Corps, U.S. Army, and Department of Treasury/IRS. She is a certified Project Management Professional (PMP) who has lived in both Europe and Asia and currently resides in Northen Virginia with her husband and son.

Mrs. Esparza serves as PCI-Government Services Human Resources Generalist. Mrs. Esparza has more than 6 years of GOVCON (to include OCONUS Department of Defense Government Human Resources) contracting experience.

Prior to joining PCI-GS, Mrs. Esparza developed her Human Resources career and experience working as a Human Resources Generalist for Vectrus, an American Defense Contracting Company, and Acuity International, a Professional Services Government Contracting Company. For both Companies Mrs. Esparza lived and worked in Iraq and has extensive Global Human Resources knowledge.

Mrs. Esparza is native to San Antonio Texas and received her Bachelor of Arts in Psychology from Texas A&M University – San Antonio.

Over a distinguished career spanning more than 25 years, Paul D. Rempfer has become a trusted leader and innovator in defense, intelligence, and global security. He has directed high‑stakes operations for the FBI, CIA, NSA, and DIA, advised Cabinet officials, and safeguarded multibillion‑dollar infrastructure abroad, including critical energy systems powering millions in Dubai. His expertise includes cyber and AI/ML innovation, intelligence strategy, and mission continuity planning, with a proven record of overseeing global teams and protecting assets valued in the billions. In senior roles with Booz Allen Hamilton, General Dynamics, ManTech, and SOSi, Paul advanced national security priorities across more than 20 countries, helping organizations anticipate disruption rather than react to it. Today, as Senior Account Executive for Defense at PCI Federal, he equips agencies to design for uncertainty in the AI–quantum era, ensuring continuity when the future doesn’t follow the forecast. Fluent in Spanish and Russian, and holding a Top Secret/SCI clearance, Paul combines global perspective, operational expertise, and strategic foresight, making him a sought‑after strategist, operator, and educator for leaders navigating emerging threats.