Jonathan Ellis

Jonathan Ellis is a forensic accountant with nearly two decades of experience. He has been appointed as an expert on more than 25 occasions.

Jonathan is an expert I would strongly recommend and turn to. He is very good at expressing himself, both verbally and in writing. He is charming, calm and collected.

Lexology Index – Arbitration – Global Elite Thought Leader

Jonathan has acted as expert on matters before the UK and Singapore High Courts as well as in ad hoc, SIAC, LCIA, ICC, HKIAC, UNCITRAL and ICSID arbitration forums. He has provided oral testimony on numerous occasions, in both court and arbitration, and has been engaged as a tribunal appointed expert.

Jonathan has advised and supported clients in mergers and acquisitions transactions, corporate restructuring, financial reporting, and expert determination. He is experienced across multiple sectors including energy, power, pharmaceutical, mining, and manufacturing. His consulting experience also includes advising two utility suppliers in the Middle East, in respect of both water and power.

Jonathan specialises in the assessment of complex damages and contentious valuations, in particular in the context of disputes, for litigation, arbitration, and expert determination purposes. He is also experienced in conducting independent accounting investigations and reviews.

Jonathan holds a master’s in accounting and management science and is a fellow of the Institute of Chartered Accountants in England and Wales and the Asia Pacific Institute of Experts. He is a member of the Association of International Energy Negotiators and the thought leadership group of the Singapore ICC Arbitration Group.

Jonathan Ellis is an “effective expert witness”, thanks to his market-leading advisory and valuation work on financial matters arising from complex transactions, investigations and related disputes.

John Levitske

John Levitske has over 40 years of professional experience. He has been retained as an expert regarding business valuation, forensic accounting, and commercial damages matters on numerous occasions.

With over 40 years of industry experience, John Levitske is a leading expert in financial advisory and business valuation. He offers distinct expertise in the quantification of economic damages and is sought after by clients globally for his in-depth knowledge on a vast array of high-stakes and complex disputes.

Lexology Index – Consulting – Financial Advisory and Valuation – Quantum of Damages

John’s expert witness work includes jury and bench trials, mediations, and arbitrations (including ICC, LCIA, SCC, UNCITRAL, AAA, JAMS, FINRA, and ad hoc) in the US and internationally. He has acted as an expert for multi-billion-dollar disputes and has also served as a neutral arbitrator and as an independent advisor to the mediator.

John spent over 30 years working for Big Four public accounting, global valuation and corporate financial advisory, and international business advisory and expert consulting firms. He has extensive experience in advising when disagreements or uncertainty arise regarding quantifications of value, price or economic damages of a business or a stakeholder interest in a business. He founded a business valuation dispute analysis practice, co-founded an acquisition agreement vetting practice, and was one of the leaders of a post-acquisition dispute practice. He works across all industries for both private and public companies.

John’s expertise includes business valuation, forensic accounting, generally accepted accounting principles (GAAP), international financial reporting standards (IFRS), and economic damages issues in complex commercial situations. These include shareholder disputes, bankruptcy disputes, M&A transaction disputes, corporate alter-ego disputes, and other business disputes.

John is a Certified Public Accountant, Chartered Financial Analyst, and Accredited Senior Appraiser in Business Valuation who holds several additional professional certifications in valuation, forensics and insolvency analysis. He currently serves as an adjunct faculty member in finance at Benedictine University, Goodwin College of Business, an instructor in accounting and financial analysis in HKA’s consultant school training program, co-chair of the American Bar Association (ABA) Business Law Section’s Investigations, Enforcement & White Collar Business & Corporate Litigation Subcommittee, and chair of the Chicago Bar Association’s Alternative Dispute Resolution Committee. He is a former member of the Standing Committee on Audit of the ABA enterprise, past national president of the Forensic Expert Witness Association, and past chair of the ABA Business Law Section’s Dispute Resolution Committee. He has authored numerous chapters for ABA publications regarding post-acquisition disputes, corporate internal investigations, and shareholder disputes, and delivers lectures regarding his areas of expertise to various professional groups.

John brings an encyclopaedic knowledge of the business appraisal field and a professorial demeanor to the witness stand. His ability to recall a complex set of facts is impressive.

Clare Lavin

Clare Lavin is a Chartered Accountant with over 20 years of experience. She has been appointed as an accounting expert on numerous occasions.

Clare Lavin is a highly esteemed litigation expert witness known to peers and clients for being “extremely precise and unflappable during cross-examination” in complex disputes.

Lexology Index – Commercial Litigation – Thought Leader

Clare has testified and been involved in litigation matters predominantly in the Dubai International Financial Centre (DIFC) Court and also supported clients and experts in matters before the Abu Dhabi Federal court, the Abu Dhabi Civil Family Court, Dubai Courts, the High Court of England and Wales, the High Court of New Zealand, the Commercial Court in Riyadh, the Belgium Courts and the Antwerp Enterprise Court. Her international arbitration experience includes matters before many arbitral institutions.

Clare has a background in transaction services including financial due diligence and acquisition advisory services. She has worked across Europe and the Middle East and has experience across a number of sectors, but most notably hospitality and leisure, real estate, oil and gas, construction, shipping, manufacturing, pharmaceuticals, consumer goods and distribution.

Clare specialises in commercial disputes and corporate investigations. She has been engaged across a wide variety of disputed matters ranging from shareholder disputes, contract breaches, SPA disputes and earn-out arrangements to professional negligence, post-acquisition disputes, joint venture disputes and contract termination. Clare has also been involved in complex financial fraud investigations and other forensic accounting engagements.

Clare is a fellow of the Institute of Chartered Accountants in England and Wales and holds an advanced professional award in expert witness evidence (APAEWE) from Legal Experience Training. She is a highly recognised and well-regarded accounting expert witness in Dubai and beyond.

Clare Lavin is a highly regarded accounting expert with over 23 years of experience, specialising in commercial disputes. She has testified and been involved in litigation matters across the Middle East, Europe and the UK, and has a reputation for being “diligent, highly responsive and a pleasure to work with”.

Robert G Dwyer

Robert G Dwyer is a forensic accountant with more than 40 years of experience. He has been appointed as an expert on more than 25 occasions.

Robert has provided expert testimony on economic, accounting, finance, and damages topics in California Superior Court, Federal District Court, the United States Bankruptcy Court, and in arbitration. He has also assisted with expert witness preparation for testimony on hundreds of disputes.

Robert has over 25 years of experience consulting to companies, government agencies and outside counsel on forensic accounting, economic damages, and business valuation issues. He has advised across a variety of sectors including entertainment and sports, construction, real estate, industrial and manufacturing, power, and transport infrastructure.

Robert’s expert analysis incorporates causes of business failure, claims for increased costs, lost profits, loss of business value, and other economic damages. He has assisted clients in bankruptcy matters by studying the debtor’s solvency at different points in time and determining whether reasonably equivalent value was received in transactions with the debtor. He also performs funds tracing analysis and other forensic accounting studies.

Robert is a certified public accountant (California), certified in financial forensics by the American Institute of Certified Public Accountants (AICPA), and accredited in business valuation (CPA-ABV).

Julie Knox

Julie Knox is a forensic accountant and commercial damages consultant with more than 25 years of experience. She has been appointed as an expert on numerous occasions.

Julie has testified in cases before the United States Federal Court, California Superior Court and in domestic and international arbitrations. She has acted as an expert for disputes regarding commercial damages and valuation, intellectual property, and forensic accounting and investigations across financial, technology, sports and entertainment, and industrial sectors.

Julie has consulted on financial reporting matters and business operations and has conducted financial statement audits of companies and government agencies. She has performed forensic accounting analysis, funds tracing, and financial reporting analysis on behalf of companies, boards of directors, and special committees.

Julie provides analysis and expert opinion regarding lost profits, unjust enrichment, reasonable royalties, and restitution resulting from breach of contract, breach of fiduciary duty, anti-trust, unfair competition, intellectual property infringement, trade secret misappropriation, and other allegations.

Julie is a Chartered Financial Analyst, a Certified Public Accountant (California and Virginia) and is Certified in Financial Forensics. She has presented to the AICPA, CalCPA, various university groups and law firms addressing accounting and economic damages issues, intellectual property valuation and damages, and ITC section 337 investigations.

Douglas Rapp

Douglas Rapp is a forensic accountant with more than 35 years of experience. He has been appointed as an expert on more than 40 occasions.

Douglas has testified in state court and in arbitration hearings regarding accounting and damages issues. He has also made presentations and consulted with clients in various alternative dispute resolution (ADR) forums, including mediation and non-binding arbitration.

Douglas has provided consulting services for owners, contractors, architects, engineers, sureties, financial institutions, and counsel on many commercial and public contract matters. He has performed detailed reviews of contractors’ billings pursuant to audit clauses in cost-reimbursable contracts, conducted pre-award evaluations of contractors’ accounting systems, advised clients on contract language addressing cost and accounting issues in cost-reimbursable contracts, and consulted with clients on contract change order language and pricing.

Douglas’ expertise includes the analysis and assessment of the cost and pricing aspects of formal and constructive changes, lost productivity, delay damages, contract terminations, and differing site conditions on construction projects. He has also assisted counsel and client companies with fact-finding and damages analysis on a wide range of other engagements including dealer and distributor terminations, partnership accounting disputes, professional liability investigations, public utility matters, product liability actions, and troubled loan workouts.

Douglas is a certified public accountant (California) and is a member of the California Society of Certified Public Accountants, the American Institute of Certified Public Accountants, and the Construction Financial Management Association. He has delivered lectures on claims pricing and damages analysis to attorneys, owners, engineers, and contractors.

Ronald H Braver

Ronald H Braver is a Certified Public Accountant with over 35 years of experience. He has been appointed as an expert witness on more than 15 occasions.

Ron has testified in federal and state court, arbitration and deposition. He provides expert opinion and fact-based reports, acting as the expert for disputed values of up to $200 million. His high-profile investigations include corporate fraud; criminal tax; failed banks and savings and loans; bankruptcy, securities, foreign exchange, and mortgage fraud; Ponzi schemes; inflated billing schemes; sophisticated pension fraud schemes; healthcare fraud; identity thefts; illegal immigration employment schemes; false claims; public corruption and bribery; investigations involving organized crime; and international and local drug conspiracies.

Ron is a former Special Agent and Supervisory Special Agent of the Internal Revenue Service (IRS) Criminal Investigation and has broad experience in forensic accounting, investigative and dispute services, including running his own practice. He is experienced in asset forfeiture and asset tracing, which is useful in the recovery process, and has performed international investigations, working with Mutual Legal Assistance Treaties (MLATs) and provisional arrest warrants, and participated in overseas depositions.

Ron’s expertise includes fraud, money laundering, asset forfeiture, and investigations. He is experienced in asset tracing, due diligence, insolvency opinion, investigation and testimony regarding piercing the corporate veil, bankruptcy-related investigations, state and federal tax controversy, tax opinion, white-collar defense, internal investigations, diversion schemes, damage and loss analysis, complex corporate class action disputes, and partner, shareholder and family disputes.

Ron is a certified fraud examiner and licensed private detective in Illinois. He is a member of the American Institute of Certified Public Accountants, the Association of Certified Fraud Examiners, the Federal Criminal Investigators Association, and the Association of Former Special Agents of the Internal Revenue Service.

Anthony Charlton

Anthony Charlton is a Chartered Accountant with over 30 years of professional experience. He has been appointed as an expert in matters of forensic accounting and the assessment of economic loss on over 100 occasions.  Anthony has been cross-examined more than 40 times.

Anthony is one of the top experts for valuations. He is a dedicated and proactive expert who is very visible in the arbitration field.

Lexology Index – Arbitration – Global Elite Thought Leader

Anthony has testified in both English and French in numerous investment and commercial arbitration matters. He has acted in disputes ranging from $3 million to over $20 billion. Anthony has acted as a tribunal-appointed expert.

Anthony has specialised in dispute-type work since 1996, after first gaining professional experience in many auditing and insolvency-related assignments. His experience is global and covers a variety of industries, including aviation, aerospace and defence, technology, media and telecoms, oil and gas, energy, resources, construction, real estate, mining, infrastructure, hotel and leisure, banking, media, and materials.

Anthony’s expertise ranges from the quantification of damages claims in international commercial and investment treaty disputes, contentious valuations and expert determinations to shareholder, post M&A and joint-venture disputes, financial and fraud investigations, and other types of forensic accounting assignments. He is also frequently instructed to prepare preliminary assessments of loss by claimants and law firms in contemplation of launching formal dispute proceedings.

Anthony is a fellow of the Institute of Chartered Accountants in England and Wales and a member of their specialist valuation group. He is widely recognised by Lexology Index as a Global Elite Thought Leader and Thought Leader in their quantum of damages, arbitration and investigations – forensic experts’ research.

Anthony is a highly skilled forensic accountant. He is a very experienced expert. He is a safe pair of hands.

Olesya Prantyuk

Olesya Prantyuk is a Chartered Certified Accountant with over 15 years of experience in finance and accounting, including more than a decade of experience in disputes. She has been appointed as the named expert and shadow expert, and has assisted the named expert on more than 50 occasions in matters of forensic accounting and commercial damages.

Olesya is very professional, experienced and simply brilliant in her work. She is brilliant and talented. She works tirelessly with legal teams to assist with explaining the technical parts of the quantum expert report.

Olesya has worked on matters in various forums, from litigations in the UK and Swiss courts, to investor-state and commercial arbitrations on behalf of claimants and defendants (LCIA, ICSID, ICC, SIAC, ADCCAC, SAC, AAA).  Her high-profile cases include a freezing order application with values exceeding $2 billion and a valuation in the aerospace sector of over $5 billion.  Olesya’s cases as the named expert cover space technology, TMT, financial services sector, and energy, with damages up to $60 million.

Olesya’s experience in assessing damages covers a wide array of matters across the aerospace and defence, oil and gas, financial services, logistics, retail, mining, precious metals, agriculture, and energy sectors.  She has a particular interest in aerospace and technology that has the capacity to improve the lives of people.

Olesya is a native Ukrainian and Russian speaker and has been involved in matters regarding assets in Central Europe, Eastern Europe, and the Middle East, and in particular, those related to high-net-worth individuals across the EMEA region.  She has led fraud investigation matters and dealt with allegations of corruption, as well as matrimonial work. Olesya has worked on audit engagements involving financial institutions, power and utilities, transportation, and retail companies, regarding consolidations, transfer pricing, impairment testing, provisions and contingencies, and working capital analysis. She has also worked on cases involving records prepared under the IFRS, UK GAAP, US GAAP, as well as local Ukrainian and Russian accounting standards.

Olesya has completed an advanced professional award in expert witness evidence and is a fellow member of the Association of Chartered Certified Accountants. She is a member of the Young International Arbitration Group, the Young International Council for Commercial Arbitration, and Arbitral Women (AW).

Michael Laming

Michael Laming is a Chartered Accountant with more than ten years of experience. He has been appointed as a forensic accounting and commercial damages expert on ten occasions.

Michael Laming ranks prominently for his first-rate forensic accounting practice, receiving wide-ranging endorsements for “his combination of technical expertise, strategic insight and client-focused approach”.

Lexology Index – Consulting – Forensic Accountant – Future Leader

Michael has acted as expert in litigation, commercial arbitration and investment treaty arbitration proceedings. He has prepared expert reports and given evidence in national courts and arbitration tribunals, in both English and Spanish.

Michael has a background in audit and forensic accounting. He has supported clients across a variety of sectors including construction, transportation infrastructure and logistics, renewables, manufacturing, finance, sports entertainment and technology, media and telecommunications (TMT).

Michael’s expertise includes quantification of damages, consequential loss assessments, valuations, forensic interviews, and forensic due diligence. He is widely experienced in the analysis and interpretation of complex contractual information (principally in the context of shareholder and sale and purchase agreement [SPA] disputes) and in the performance of technical valuations.

Michael is a certified fraud examiner and a member of the Institute of Chartered Accountants in England and Wales. He is a widely regarded financial expert and has published articles in both English and Spanish on matters of quantification of damages in international arbitration.

“A rising star in the damages space, Michael Laming, is lauded for his sharp analyses in international arbitration and ability to convincingly convey his position in written and oral submissions. He often works in the construction and renewables sectors across Europe and Latin America.”

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