About Greg 

Gregory J. Frenkiel is an attorney with Copenbarger & Copenbarger, LLP in the estate administration and probate department at the firm. He focuses his practice on advising clients and fiduciaries on navigating the complexities of administering and settling trusts and estates.  

Although Greg’s focus is on administering estates, he also has experience in trust and estate disputes, including breach of fiduciary duty claims, elder abuse actions, petitions to remove fiduciaries, trust modifications, and accounting disputes. He also assists clients with conservatorships and guardianships and regularly appears in both Orange County and Los Angeles County Superior Courts. 

Greg is committed to providing clients with clear guidance during difficult and often emotionally charged situations. He believes in strong advocacy paired with practical solutions and works diligently to protect his clients’ interests while helping them traverse the legal process with confidence. 

Personal 

Outside of his legal practice, Greg spends his free time with his wife and their three kids, playing tennis, traveling, and biking to the beach.  

Awards 

• Provost Law Academic Scholarship Recipient, Chapman University 

• Commitment to Service Award for Pro Bono Legal Work in the Public Interest 

• Excellence in Research Award, University of California, Irvine 

Practice Areas / Responsibilities 

Greg supports the firm’s Trust & Estate Litigation, Trust Administration, and Probate departments, with responsibilities that include: 

• Trust and estate litigation 

• Probate administration and trust administration 

• Elder abuse claims 

• Fiduciary removal and breach of fiduciary duty matters 

• Conservatorships and guardianships 

• Discovery, depositions, and motion practice 

• Court appearances throughout Southern California 

Professional Qualifications 

• Juris Doctor, Chapman University Dale E. Fowler School of Law 

• Bachelor of Science, Biological Sciences, University of California, Irvine 

• Bachelor of Arts, Philosophy, University of California, Irvine 

• Member, State Bar of California 

• Admitted to the United States District Court, Central District of California 

About Kevin 

Kevin L. VandenBroeke is an attorney with Copenbarger & Copenbarger, LLP. He brings more than a decade of experience in taxation, estate planning, business law, and trust & estate matters to his legal practice. Kevin combines technical tax expertise with strategic planning to help clients achieve their financial, estate, and business objectives. 

Kevin has counseled individuals, families, and business owners on complex income tax issues, estate and trust planning strategies, and business law matters. His background includes leading teams of attorneys, CPAs, and enrolled agents to develop tailored solutions, and he draws on his Master of Laws in Taxation to provide thoughtful, proactive guidance. 

Kevin’s client-centered approach emphasizes practical solutions, clear communication, and thoughtful planning to help protect assets, minimize tax exposure, and support long-term legacy goals.   

Personal 

Outside of his practice, Kevin pursues ongoing professional development in tax and business law and enjoys collaborating with colleagues and industry professionals on complex legal and financial topics. He brings an analytical, disciplined approach to both legal strategy and client service. 

Awards 

Recognized as a Rising Star by Super Lawyers in 2024 and 2026 (peer-nominated recognition of professional achievement)   

Practice Areas / Responsibilities 

Kevin supports the firm’s Tax, Estate Planning, Business Law, and Trust & Estate departments, with responsibilities that include: 

• Federal and state tax planning and compliance 

• Income tax controversy and audit representation 

• Estate planning strategies and trust structuring 

• Business formation, contracts, and legal risk mitigation 

• Client counseling on tax-efficient legacy planning 

• Collaboration with financial and tax professionals to integrate legal and tax solutions   

Professional Qualifications 

• Juris Doctor, Chapman University Fowler School of Law   

• Master of Laws (LL.M.), Taxation, Chapman University Fowler School of Law   

• Bachelor of Arts, Criminal Justice, California State University, Fullerton   

• Member, State Bar of California (Admitted 2015)   

• Admitted to practice before the U.S. Tax Court 

About Megan 

Megan E. Wilson is an attorney with Copenbarger & Copenbarger, LLP. She supports the Estate Planning, Trust Administration, and related client services departments, working closely with attorneys and staff to ensure matters are handled with care, precision, and clear communication. 

Megan assists clients and legal teams through in-depth legal research, drafting, and case preparation, helping support customized planning solutions that align with each client’s goals and family needs. She is passionate about helping clients understand the legal process and believes that informed clients are better equipped to make confident decisions about their future. 

Megan’s background includes experience in public service, governance, municipal law, and nonprofit governance, which informs her thoughtful, service-driven approach to legal work. She values collaboration and is committed to supporting families through each stage of administration with faith, professionalism, and compassion. 

Personal 

Outside of work, Megan enjoys hiking, often exploring new places with her pitbull by her side. She also loves traveling, reading, and spending time worshipping Jesus, which is an important part of her life.

Awards 

• Columbia University HBCU Fellow 

• Summa Cum Laude, Columbia University 

• Summa Cum Laude, Spelman College 

Practice Areas / Responsibilities 

Megan supports the firm’s Trust Administration departments, with responsibilities that include: 

• Legal research and legal writing 

• Drafting memoranda and supporting planning documents 

• Assisting with trust administration matters 

• Client communication and case coordination 

• Supporting attorneys across estate, administration, and related matters 

Professional Qualifications 

• Juris Doctor, Paul M. Hebert Law Center, Louisiana State University 

• Master of Science, Nonprofit Management, Columbia University, School of Professional Studies 

• Bachelor of Arts, Political Science and English, Spelman College 

About Katherine 

Katherine Grout is an attorney with Copenbarger & Copenbarger, LLP and leads the Business, Tax, and Advanced Planning department. She serves clients throughout California from the San Jose office. She focuses her practice on business law, corporate transactions, commercial contracts, employment compliance, and intellectual property law, as well as assisting on trust and estate matters, helping individuals and business clients navigate complex legal requirements with clear, practical guidance.   

Katherine regularly assists clients with business formation and compliance, buy-sell agreements, contract drafting and review, employment law essentials, intellectual property portfolios, planning, and protection, and legal risk mitigation strategies. Coming from working in-house at companies in Silicon Valley and the Bay Area, she takes a business-minded and client-centered approach to her work, prioritizing communication, responsiveness, and tailored solutions that align with her clients’ goals and needs.   

Katherine graduated from Santa Clara University School of Law in 2018, where she also focused on intellectual property, data privacy compliance, and business law, earning the law school’s High Tech Law Certificate, Corporate Specialization, with Honors, spending a semester studying international business law in Shanghai and serving as the Editor-In-Chief of the High Tech Law Journal, Vol. 34, a top 5 nationally recognized legal journal for technology. Katherine has been certified by the International Association of Privacy Professionals for her mastery in data privacy laws and regulations in the United States and Europe since 2018. Katherine was admitted to the California State Bar in 2019. 

Personal 

Outside of her legal practice, Katherine enjoys camping with her family, volunteering in Yosemite National Park and nature preserves throughout the Bay Area. She also enjoys training her dogs in agility, tricks, and obedience, throwing pottery, painting, and traveling whenever possible. 

Practice Areas / Responsibilities 

Katherine supports the firm’s Business and Commercial Law, Business Formation, and Trust & Estate departments, with responsibilities that include: 

• Business formation and entity planning 
• Corporate transactions, buy-sell agreements, mergers and acquisitions 
• Commercial contract drafting, review, and negotiation 
• Employment law compliance and risk management 
• Trademark, copyright, and trade secret intellectual property planning and protection 
• Legal advising for startups and small businesses 
• Trust and estate legal matters assistance 
• General counsel services and ongoing legal support   

Professional Qualifications 

• Juris Doctor, Santa Clara University School of Law   
• Member, State Bar of California (Admitted 2019)   
• Member, California Lawyers Association – Business Law Section 
• Certified Information Privacy Professional – US, International Association of Privacy Professionals (since 2018) 
• Certified Information Privacy Professional – EU, International Association of Privacy Professionals (since 2018) 

Stan Hutchinson is an of council attorney in the estate planning department at Copenbarger & Copenbarger LLP. Stan embarked on his legal journey in 1979 when he first entered the legal profession as a sole practitioner. Stan has a passion for education and teaching. Prior to joining our firm, Stan dedicated thirteen years to teaching at Pasadena City College, where he imparted his extensive knowledge of law to aspiring students. He joined our firm in September 2021 after Copenbarger and Copenbarger absorbed his forty two year old practice. Stan firmly believes that empowering individuals with an understanding of the law enables them to make informed decisions and protect their interests effectively. His impressive track record, combined with his passion for education, distinguishes him as a valuable asset to our firm and a trusted advisor to clients seeking legal guidance in matters of estate planning, Probate, and Administration. We are happy to have Stan and his wonderful clients as part of our Copenbarger Law Family.