Our People

Our People

We are team players and have a vast experience in assembling teams for case-specific strategies.

Meet our team

Brad Henry


Brad Henry represents entities and individuals in criminal and regulatory litigation and investigations, international arbitrations, and internal investigations.  Brad is a board-certified criminal trial specialist and has represented and defended clients in trials and investigations involving U.S. Attorneys’ Offices in over fifteen different districts around the country.

Brad represents clients in investigations and litigation involving the Department of Justice (National Security Division, Computer Crime and Intellectual Property Section, Environment and Natural Resources Division), Securities and Exchange Commission, Commodity Futures Trading Commission, Office of Foreign Assets Control, as well as other federal, state and local agencies. He also conducts internal investigations and advises clients on anti-corruption matters.

Brad serves as the firms managing white-collar partner.  In this role, he leads a team of lawyers in investigations, trials, appeals and other litigation related to securities fraud, Foreign Corrupt Practices Act and export violations, bank secrecy and money laundering offenses, public corruption, U.S. economic sanctions violations, corporate financial fraud, theft of trade secrets and computer fraud. Brad has defended many notable cases for foreign and domestic companies within the banking, financial services, textile, mining, nuclear, tobacco, and manufacturing sectors.

Brad also represents clients in arbitration before the International Chamber of Commerce (ICC), and the International Centre for Settlement of Investment Disputes (ICSID).

Brad is a commentator and speaker on various white collar and compliance topics, including U.S. economic sanctions, the Foreign Corrupt Practices Act and cross-border investigations. He also serves through his role at the firm as a co-chair of the U.S. Chamber of Commerce’s U.S.-Turkey Business Counsel Ad Hoc Legal Working Group.

Bar Admissions

  • Tennessee, 2006
  • New York, 2012
  • Texas, 2017
  • New Jersey, 2020
  • United States Supreme Court, 2018
  • U.S. District Court Eastern District of Tennessee, 2007
  • U.S. District Court Eastern District of New York, 2012
  • U.S. District Court Southern District of New York, 2012
  • U.S. District Court Northern District of New York, 2012
  • U.S. Court of Appeals 6th Circuit, 2009
  • U.S. Court of Appeals 4th Circuit, 2010
  • U.S. Court of Appeals 11th Circuit, 2010
  • U.S. Court of Appeals 2nd Circuit, 2014


Professional Associations and Memberships

  • International Bar Association
  • Federal Bar Council
  • National Association of Criminal Defense Lawyers
  • New York City Bar

Mehmet Baysan


Mehmet Baysan represents international institutions, businesses, and sovereigns in complex and high-value commercial and investment treaty arbitrations in a broad range of sectors, including construction, infrastructure, energy, and textile before major international arbitral organizations, including the International Centre for Settlement of Investment Disputes (ICSID) and the International Court of Arbitration (ICC).  Mehmet is among a handful of U.S. trained Turkish speaking international litigators whose bilingual skills and strong trial-experience give him a unique ability to represent Turkish companies and the Turkish State in global disputes.

In addition to international arbitration, Mehmet represents foreign companies before U.S. Federal and State courts in commercial litigation, including contract disputes, enforcement of arbitral awards, matter involving international law and sovereign immunity, and trademark violations. Mehmet also conducts internal investigations and advises clients on anti-corruption matters.

Mehmet serves as the firm’s managing arbitration and cross-border litigation partner.  In this role, he leads a team of lawyers in international arbitration, civil trials, appeals and other cross-border and U.S. based litigation. Mehmet has litigated many notable cases for foreign and domestic companies within the banking, financial services, textile, mining, construction, tobacco, and manufacturing sectors.

Mehmet is recognized as a Rising Star by “Super Lawyers” in International Practice. Before joining the firm, Mehmet worked for a large international AmLaw100 law firm, and grew a small Boston based litigation practice to international recognition.

Mehmet is a member of the Turkish Industry and Business Association (TUSIAD).  He also serves through his role at the firm as a co-chair of the U.S. Chamber of Commerce’s U.S.-Turkey Business Counsel Ad Hoc Legal Working Group.

Bar Admissions

  • Massachusetts, 2010
  • New York, 2011
  • S. District Court Eastern District of New York, 2016
  • S. District Court Southern District of New York, 2017

Professional Associations and Memberships

  • International Bar Association
  • National Association of Criminal Defense Lawyers
  • New York City Bar
  • Turkish Industry and Business Association (TUSIAD)

U.S. Chamber

Matthew W. Olinzock


Matthew W. Olinzock is a partner in the firm, representing clients in white collar criminal defense and investigations, commercial litigation, and intellectual property/technology law. Mr. Olinzock’s experience spans a range of industries and technologies, including computer software, pharmaceuticals, cybersecurity, machine learning, augmented reality, telematics, mobile devices, network authentication, and satellite radio. Prior to joining Breeding Henry Baysan PC, he practiced in the New York office of a leading AmLaw100 firm and was named a Rising Star by Thomson Reuters’ New York Super Lawyers in 2016 and 2017.

Mr. Olinzock earned his Juris Doctor with honors from Emory University School of Law, receiving the ABA-BNA Award for Excellence in the Study of Intellectual Property Law, Dean’s Awards for Outstanding Achievement, and the Order of Emory Advocates Award. Matthew received his bachelor’s degree in Neuroscience from the University of Rochester.

Selected Representations

  • Internet startup in a dispute regarding ownership of its core source code.
  • Leading glove manufacturer in a breach of contract and trade secret misappropriation action related to touch-screen glove technology
  • Eyewear manufacturer in a breach of contract action related to a software development agreement
  • Cybersecurity company in a patent infringement action related to network security technologies
  • Software company in an antitrust action related to multiuser computing software
  • Technology company in patent infringement action against major mobile telecommunications carriers involving access control for wireless networks
  • Pharmaceutical company in a patent infringement action related to controlled release technologies

Bar Admissions

  • New York
  • U.S. District Court for the Southern District of New York
  • U.S. District Court for the Eastern District of New York,
  • U.S. Court of Appeals for the 3rd Circuit


  • J.D. with Honors, Emory University School of Law, 2010
  • B.S., Neuroscience, University of Rochester, 2006

Omer Er


Omer started his career at the world’s now largest law firm Dentons as a corporate attorney. He provided legal, public policy, and corporate strategic advice to several multinational corporations such as Lehman Brothers, Newscorp (FOX, Myspace), Turner Broadcasting (CNN-TNT), Shell, and Nokia in complex cross-border M&A transactions and foreign direct investments in different jurisdictions. With a special interest in a global free market economy Mr. Er has published articles and editorial works on foreign direct investments.

Mr. Er holds a Bachelor of Law degree from Istanbul Bilgi University with full scholar and two Masters of Law degrees from Istanbul Bilgi University and Georgetown University in Washington, D.C. He is an active participant of civic and social organizations and a frequent speaker of the panel discussions on doing business in different geographies.

Mr. Er is a member of Atlantic Council, Milken Institute, Young Businessman Association (GYIAD), a board member and chair of Americas of World Turkish Business Council (DTIK), a former board member of Independent Businessmen and Industrialists Association of USA, and a member of the Istanbul Bar and New York Bar Association.

Mr. Er is also selected as one of the 40 under 40 Influential Turkish Americans and the Young Society Leader by the American Turkish Society. He is a frequent guest of the Turkish and international media on US Turkey relations.

Mr. Er speaks English and Turkish.

Christine Connell

Senior Associate

Christine Connell is a Senior Associate and a member of the Firm’s Government Enforcement and White Collar Crime practice. Prior to joining Breeding Henry Baysan, Christine spent three years at an international law firm where she focused her practice on white collar and government investigations, international trade, and US national security.  Christine is a certified public accountant (CPA), is certified in financial forensics (CFF) and is a certified fraud examiner (CFE), with experience working on the accounting side of government and white collar investigations

Christine spent three years in PricewaterhouseCoopers’ US Forensic Services group, where she focused on investigations into potential Foreign Corrupt Practices Act (FCPA) violations and suspected accounting fraud. In connection with her work, she often worked closely with PWC’s Corporate Intelligence team and Export Control Services group, and on government contracts projects.

Christine’s forensic accounting experience gives her a robust understanding of the accounting issues encountered in FCPA and fraud investigations and an ability to communicate efficiently with accountants about these issues. Christine’s perspective enables her to provide insight regarding the productivity of the forensic accounting portion of white collar investigations.

Grace Van Dyke


Ms. Van Dyke represents individuals and institutions in criminal and civil matters focusing on white collar criminal defense, regulatory enforcement, complex civil litigation, and international disputes.

Ms. Van Dyke has represented clients in connection with false advertising, Lanham Act, Copyright Act, Tennessee Consumer Protection Act, and patent infringement litigation, including a substantial number of expedited and emergency proceedings. She has experience in matters involving violations of U.S. economic sanctions, economic espionage, theft of trade secrets, and allegations of fraud.

She has also managed international trademark portfolios and facilitated a variety of transactions for her clients.

Prior to joining Breeding Henry Baysan PC, Ms. Van Dyke was a litigation associate at large regional litigation firm and a boutique intellectual property firm. She has comprehensive knowledge of the litigation process, managing numerous cases at every stage. Grace has also practiced at the appellate level in both state and federal courts and has presented an oral argument before the Tennessee Court of Appeals.

Ms. Van Dyke graduated from Emory University School of Law where she was a Senior Staff Member on the Journal of Law and Religion. She earned her B.S. in Communication and Information at the University of Tennessee in Knoxville.

Selected Representations

  • Individual defendant-appellee in breach of contract case resulting in affirmation of favorable trial court judgment
  • Individual plaintiff-appellee in malpractice case resulting in affirmation of favorable trial court judgment
  • Global corporation in false advertising case during preliminary injunction and appellate proceedings

Certified Legal Specialties

  • Deposition Skills Certified, National Institute for Trial Advocacy

Bar Admissions

  • Tennessee, 2017
  • U.S. District Court for the Eastern District of Tennessee, 2017
  • U.S. District Court for the Middle District of Tennessee, 2017
  • Sixth Circuit Court of Appeals, 2017


  • Emory University School of Law, 2016
    o Doctor of Law
    o Journal of Law and Religion Senior Staff Member
  • University of Tennessee at Knoxville, 2013
    o Bachelor of Science in Communication and Information

Professional Associations and Memberships

  • Knoxville Bar Association
  • Tennessee Bar Association

Adam Duggan


Adam R. Duggan is known as a strategic and successful litigator. He has defended companies against expansive government investigations and prosecutions. He has defended numerous Fortune 500 companies in tort litigation pending across the United States. Mr. Duggan has successfully prosecuted lawsuits on behalf of individuals and businesses, recovering millions of dollars in damages. He has litigated in state and federal courts at both the trial and appellate levels. In addition to his courtroom experience, he has spent considerable time coordinating and preparing numerous field-leading experts for deposition and trial.

This litigation experience allows Mr. Duggan to counsel clients on the best methods of avoiding and defending lawsuits. He has also advised businesses on a wide range of matters, including federal regulatory compliance, employment practices, insurance coverage, and risk avoidance.

His practice focuses on government investigations, white collar criminal matters, and complex civil litigation.

Mr. Duggan graduated from the University of Tennessee College of Law (Magna Cum Laude) where he served as the President of the Federalist Society and received numerous academic awards for outstanding achievement. Mr. Duggan received his undergraduate degree (Summa Cum Laude) from Maryville College.

Selected Representations

  • Represented corporation in regulatory compliance investigation by various United States agencies
  • Served as lead counsel for multi-state business in obtaining a temporary restraining order regarding mineral rights
  • Represented class members in one of the largest class actions in Alabama history, resulting in overturning of excessive attorneys’ fee award in the Alabama Supreme Court
  • Served as part of lead trial team for Fortune 500 company in a pharmaceutical injury case with multi-million-dollar demand that ended with a successful settlement on the eve of trial
  • Defended business in restrictive covenant dispute, resulting in denial of requested temporary restraining order and dismissal of all claims

Areas of Practice

  • Government Investigations
  • White Collar Criminal Defense
  • Complex Civil Litigation

Bar Admissions

  • Tennessee
  • U.S. District Court Eastern District of Tennessee


  • University of Tennessee, College of Law, Knoxville, Tennessee
    o J.D.
    o Magna Cum Laude
  • Maryville College, Knoxville, Tennessee
    o B.A.
    o Summa Cum Laude

Honors and Awards

  • President Federalist Society

Professional Associations and Memberships

  • Tennessee Bar Association, Member
  • Knoxville Bar Association, Member


  • English

Hilal Cayirli


Hilal Cayirli is an associate in Breeding Henry Baysan’s International Law, Corporate Law, and Dispute Resolution groups. Hilal represents international companies on complex and cross-border transactions in the energy, construction, textile, mining, and manufacturing sectors. Before joining Breeding Henry Baysan, Hilal practiced as a legal researcher with the CPR Institute in New York City. Hilal graduated from Marmara University School of Law in Istanbul, Turkey in 2011. She obtained her LL.M. degree in Contracts and Corporations Law with Thesis from Istanbul University School of Law in 2015. She holds her second LL.M. degree in Dispute Resolution Program from the University of Missouri School of Law.

Previously, she practiced as an associate attorney for four years at Dentons’ Istanbul office. She was a member of energy, intellectual property, litigation, and dispute resolution groups. She focused on energy law, corporation law, commercial contracts, business transactions and data security in the energy, and media and technology sectors. Following her tenure at Dentons, she worked as in-house counsel at an international energy company.

Hilal has represented clients in a considerable number of cases before the Commercial, Civil, and Criminal Courts. Primarily, she has represented clients in breach of contract and block exemption of vertical agreements actions before the Commercial Courts. Hilal has successfully appeared before the Turkish Supreme Court`s Commercial Division as a sole Litigator eight times.

Hilal has represented Energy Sector Clients before the Turkish Competition Authority and Energy Market Regulatory Authority. Hilal has represented Plaintiffs in trademarks infringement actions (more than 25) before Civil Courts for intellectual and industrial property rights. Hilal has also advised clients related to trademarks protection, advertising and marketing properties, copyright, unfair competition, e-commerce, domain name disputes, and companies’ website protection matters.

Languages: English and Turkish

Bar Admissions: Istanbul, 2012, New York (Pending)

Professional Associations and Memberships: American Arbitration Association and Young International Council for Commercial Arbitration.

Alaya Durusel


Alaya Durusel is an associate in Breeding Henry Baysan’s dispute resolution group.   holds a master’s degree from the University of Law London with a special focus on mergers and acquisitions and dispute resolution. In addition, Alaya attained a bachelor’s degree from the City, University of London, Faculty of Law.

Following her educational accomplishments,  Alaya moved to New York to practice law and was admitted to practice in December 2019.

Languages: English, French, and Turkish.

Bar Admissions: New York, 2019

Robert Sentner

Of Counsel

For the past thirty years, Mr. Sentner has advocated for and counseled clients in complex litigations and international arbitrations in New York and around the world. His cases have ranged from energy and pipeline projects in Africa, India, and Latin America, to financial fraud and breach of contract cases in Eastern Europe, Asia, and the United States. Mr. Sentner has led arbitrations successfully at ICSID, ICC, ICDR, LCIA, Stockholm Chamber of Commerce, and under the UNCITRAL rules, and has tried numerous cases in New York federal and state courts.

Mr. Sentner thrives on digesting complicated facts and law and advocating his clients’ interests zealously and he is a very hands-on lawyer, fully believing that the lead lawyer on a case must be fully absorbed in the details of the case.

Mr. Sentner headed Nixon Peabody’s International Disputes Team for many years.


Mr. Sentner speaks frequently on international disputes and consults companies wrestling with how to structure dispute resolution clauses in cross-border transactions. Mr. Sentner obtained his law degree from Boston University Law School in 1984, and his undergraduate degree from Hobart College in 1980.