Ryan M. Helgeson

John F. Gibbons has more than 25 years of experience handling a broad range of civil and criminal matters for national corporations, financial institutions, brokerage houses, pension funds, real estate entities, and individuals, including fraud, breach of contract, trade secret, class action, RICO, civil rights, commercial and criminal securities cases, grand jury investigations, white collar defense, FCPA issues, corporate internal investigations and appeals. He has advised many corporate cl...

Wendy N. Enerson is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Wendy N., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Wendy N. is held by other top lawyers in the same geographic and legal practice area.

Ashley Fischer is a partner in the law firm of McDermott Will & Emery LLP. She is Partner-in-Charge of the Health Industry Advisory Practice Group in Chicago. She also co-chairs the firm’s Health Antitrust Affinity Group. Ashley represents healthcare providers on a wide range of corporate and regulatory matters, focusing on affiliations, collaborations, joint ventures, managed care contracting networks such as clinically-integrated networks (CINs) and accountable care organizations ...

Nick is of counsel in the firm’s Securities Litigation & Regulatory practice group. A trial lawyer with 40 years of experience, he defends financial services firms and their employees in securities matters all over the country. Nick’s practice encompasses the full range of investor-based disputes and regulatory enforcement proceedings, as well as disputes arising out of employment practices in the financial services industry. He also handles internal investigations and investi...

Adria E. Mossing is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Adria E., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adria E. is held by other top lawyers in the same geographic and legal practice area.

Charles W. Mulaney, Jr. focuses on mergers and acquisitions (friendly and hostile), corporate governance and corporate financings. He counsels clients on a broad range of securities and corporate matters, including disclosure issues, the duties of directors and shareholder activism. Mr. Mulaney represents special committees of directors in transactions and internal investigations. He also advises major investment banks on acquisition and financing matters and has represented issuers and under...

Keith Hebeisen is a partner at Clifford Law Offices. One of the most respected medical malpractice attorneys in Illinois, Mr. Hebeisen has achieved great results for clients in settlements and trials. Although Mr. Hebeisen concentrates his practice in the area of medical malpractice cases against doctors and hospitals, he has represented individuals in a wide variety of cases, including transportation, product liability and toxic torts. We are proud to have him on our team. Mr. Hebeisen has b...

Bhavani Raveendran is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Bhavani, who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bhavani is held by other top lawyers in the same geographic and legal practice area.

Dave Resnicoff helps sophisticated companies and executives manage government investigations, whistleblower allegations, and global compliance obligations in a practical way. Dave has experience in a wide variety of industries, and especially in life-sciences, medical device, and medical technology. Dave helps his clients build and assess their compliance programs in light of their business model and risk profile. He helps them respond credibly and proportionately through internal investigati...

As a seasoned litigator with the added benefit of in-house experience, Maile takes pride in her in-depth understanding of her clients and their businesses so she can anticipate their needs, their pain points, and the internal and external pressures they face. With nearly 30 years of experience litigating and counseling clients in all types of commercial litigation, Maile is meticulous, responsive, tough, and strategic. Since joining Barack Ferrazzano, Maile has represented clients in commerci...