Global Leadership


Mr. Hennick is the global Chairman, CEO and controlling shareholder of Colliers International. Jay is also the Founder, Chairman and the largest individual shareholder of FirstService and was the former CEO from 1988 to 2015. He is also the Chairman of Hennick & Company, a private family investment firm. In 1998, Mr. Hennick was awarded Canada's Entrepreneur of the Year, and in 2001 he was named Canada's CEO of the Year by Canadian Business Magazine. In 2011, Jay received an Honorary Doctorate of Laws from York University and in 2014, an Honorary Doctorate from the University of Ottawa. In 2019, Mr. Hennick was appointed as a member of the Order of Canada and received the International Horatio Alger Award. In 2024, he was inducted into the Canadian Business Hall of Fame.

Mr. Hennick also served as past Chairman of the Board of Directors of the Sinai Health System and Mount Sinai Hospital, in Toronto. Jay and his wife Barbara are also active philanthropists establishing the Hennick Family Foundation to support important causes in healthcare, education and the arts, the largest of which include: $50M donation to the Royal Ontario Museum in support of their revitalization and new vision plans; $36M donation to name Hennick Bridgepoint Hospital, the largest complex care and rehabilitation hospital in Canada; $10M donation to the World Holocaust Remembrance Centre (Yad Vashem) in Jerusalem, Israel; and smaller but significant benefactions include those to Osgoode Hall Law School and the Schulich School of Business at York University and to the University of Ottawa.


Chris McLernon is the Chief Executive Officer, Real Estate Services | Global. Chris takes responsibility for client relationships, operational excellence, and overall growth within Colliers’ rapidly growing real estate services across 62 countries. He oversees Colliers’ Capital Markets, Leasing and Outsourcing & Advisory businesses globally, with emphasis on accelerating growth, enhancing global collaboration, and strengthening our unique culture and way of doing business.

Bringing a depth of experience in building and growing businesses in mature and emerging markets, Chris has played an integral role in growing Colliers into its current position. Previously the Chief Executive Officer for Europe, Middle East and Africa (EMEA), Chris provided strategic direction for the region, ensuring a seamless service experience for clients across our complete range of services, and grew its revenues 20-fold. He oversaw more than 30 acquisitions including Colliers UK, Colliers Germany, Colliers Italy, Antirion, IREA, Sadline & Albaek, Ovenia and The AOS Group from France. Earlier, he built and led Colliers’ Latin America business and was one of the top producers in Canada when he joined Colliers in 1987 as an office leasing advisor in Toronto.

Throughout his career, Chris has delivered exceptional service, fulfilling the real estate needs of major corporations such as Nortel, FedEx, Oracle, Cisco Systems, Compaq, Dun & Bradstreet, Ford Motor Land, and Microsoft.


Christian Mayer serves as Chief Financial Officer | Global for Colliers International Group Inc. effective January 2020.

Previously, Christian served as Senior Vice President, Finance & Treasurer | Global for Colliers, managing the firm’s external reporting, treasury and tax functions, as well as related areas in operations, governance and investor relations. Christian joined FirstService Corporation (the predecessor of Colliers) in July 1999, where he was responsible for external and internal financial accounting, reporting and analysis functions. In addition, Christian advised on a wide range of corporate finance and development transactions.

Christian is a Chartered Professional Accountant and began his career with the accounting firms Grant Thornton and PricewaterhouseCoopers, both in Toronto.

Christian holds a Bachelor of Business Administration degree from Wilfrid Laurier University.


Elias Mulamoottil is Co-Chief Investment Officer | Global. Together with Zach Michaud, he manages Colliers’ investment team and program, including multiple direct report platforms, new strategic investments, and emerging tech investments. He previously served as Senior Vice President, Strategy & Corporate Development for FirstService. He was responsible for executing FirstService's acquisition strategy as well as the formulation and implementation of its corporate strategy. Prior to joining FirstService, Elias was a partner at a Toronto based financial advisory and asset management firm, where he sourced and executed mergers, acquisitions, divestitures and financing transactions.

Elias is a Chartered Professional Accountant and began his career at Deloitte & Touche. He holds a Master of Arts degree in Economics from the University of Western Ontario and a Bachelor of Arts degree in Economics from the University of Waterloo.


Zachary (Zach) Michaud is Co-Chief Investment Officer | Global. Together with Elias Mulamoottil, he manages Colliers’ investment team and program, including multiple direct report platforms, new strategic investments, and emerging tech investments. He previously served as Vice President, Strategic Investments at Colliers. Prior to joining the organization in 2015, Zach was a senior investment professional at one of Canada’s leading private equity firms specializing in credit investing, distressed debt, operational turnarounds, and activist investing. He also worked as an investment banker in Los Angeles and worked on the trading floor at two large bank owned investment dealers.


Rebecca (Becky) Finley is the Chief Brand and People Officer | Global for Colliers International Group Inc, providing leadership and oversight of Colliers’ marketing, brand, communication, and people strategies.

Becky has extensive leadership experience in setting corporate strategy, driving innovation, and building high performing teams. Prior to Colliers, Becky served as Chief of Staff and Head of Technology, Telecommunications & Media at Facebook Canada, led the Office of the CEO at Maple Leaf Foods, was a Management Consultant with the Boston Consulting Group, and worked as an Investment Banker with TD Securities.

Becky holds an ICD.D from the Institute of Corporate Directors and in 2017, she was recognized by the Boardlist as a top Canadian woman in tech. Becky also holds an MBA from the Rotman School of Management and a Bachelor of Mathematics and Education from Queen's University.


Matthew Hawkins serves as Vice President, Legal Counsel & Corporate Secretary of Colliers Group International Inc. (CIGI).  Based in Toronto, Matthew has primary responsibility for CIGI's legal, corporate secretarial and regulatory status as a public company; major contracts and agreements, including those related to acquisitions, financings and other corporate development matters.  Additional responsibilities extend to oversight of any significant legal matters arising in CIGI's operating subsidiaries, with a focus on North America, but including CIGI's global operations, working closely with other members of CIGI's legal team and external advisors.

Matthew started his career at Davies Ward Phillips & Vineberg LLP in Toronto with a practice focused on public and private company mergers and acquisitions, corporate finance and securities offerings, and most recently worked in an in-house role at a TSX-listed pharmaceuticals company.


Lynda serves as the Business Manager and Assistant Corporate Secretary of Colliers International Group Inc.

In this role, she is responsible for executive management support to the Global CEO & Chairman and operations management of the executive head office as chief of staff to the administrative personnel. In addition, she closely supports the company’s Board of Directors and brings exceptional leadership ability and effectiveness to the company.

Previously, Lynda served as the Assistant Corporate Secretary and Manager, Office of the Chairman & CEO for FirstService Corporation since 1989. Prior to FirstService, Lynda was a legal assistant at Fogler, Rubinoff, a prominent Toronto law firm.

With more than 30 years of corporate experience, Lynda has held a number of responsibilities including high-level executive management, legal support, senior office management, investor services, communications, HR services, building & facilities management, corporate event planning, and administrative services.

Regional and Business Unit Leadership


As Chief Executive Officer for the EMEA region (Europe, Middle East and Africa), Davoud is responsible for establishing and leading the strategic direction and delivering business expansion through the fulfilment of our Enterprise ’25 growth strategy. Davoud joined Colliers in an Executive Board role in 2012 holding the position of Head of EMEA Finance and Corporate Development. In 2017 he became Chief Financial Officer for the region, before becoming the CEO for EMEA in 2022.

Davoud supports organic growth through business line expansion, particularly in Capital Markets, Property Management, and Occupier Services, as well as strategic acquisitions that enable the EMEA region to build at scale. Notable examples include the acquisition of Colliers Italy, the expansion of Colliers’ Iberian Peninsula offering with the opening of a Portuguese office in Lisbon, and the strategic partnership agreement with Paragon.

Before Colliers, Davoud began his career at KPMG and then moved to FTSE 100 listed Group Reed Elsevier plc. Davoud also spent time working in the UK business of DTZ.

Gil Borok serves as President & Chief Executive Officer (CEO) | USA. In this role, Gil is responsible for managing the operations and finances of Colliers’ rapidly growing U.S. business.

Prior to joining Colliers as Chief Operating Office for the U.S. business in November 2017, starting in 2002, Gil served in a variety of Finance-related roles at CBRE Group, Inc. Since 2014 until his departure, Gil served as Deputy Chief Financial Officer & Chief Accounting Officer. Between 2010 and 2014, Gil was Chief Financial Officer of CBRE Group. During his tenure at CBRE, Gil was responsible for global Finance, Accounting, Treasury, Tax, Risk Management and Investor Relations. He was also the management liaison to the Audit Committee of the Board of Directors.

Additional professional experience includes Big 4 public accounting experience from 1992 to 1997 and a role as Chief Accounting Officer when he was with Dole Food Company from 1997 to 2002.

Gil serves on the boards of Crystal Stairs, Inc. and VBS Day School as well as on the Development Committee of the Anderson School at the University of California – Los Angeles. Gil is a certified public accountant in the State of California and is a member of the American Institute of Certified Public Accountants, the California Society of Certified Public Accountants and Financial Executives International. Gil has a Bachelor of Arts degree in Economics and Business with a concentration in Accounting from the University of Pittsburgh and a Masters of Business Administration from the Anderson School.


As the Chief Executive Officer for Colliers in Asia Pacific, John leads our enterprising culture to ensure we embrace a growth mindset and always do what’s right for our clients, our people and our community across the region. By promoting our values, he ensures our experts maximise potential through collaboration and investing in relationships to ensure they are well positioned to lead our industry into the future. The loyalty demonstrated by our team and our clients have enabled Colliers’ record growth in both the Australia and New Zealand and Asia Pacific regions over the last decade and John is enthusiastic about our future growth potential.

Since joining Colliers International in 1991, John has held various transactional, operational and innovation roles before taking the helm as CEO in 2006. In February 2020, he was appointed CEO, Asia Pacific. John is also part of the Global Executive team of Colliers International, working with a select group of highly motivated experts who have driven our enterprising spirit globally.


Brian Rosen is the President and Chief Executive Officer I Canada at Colliers, Canada’s leading commercial real estate services and investment management firm. He joined Colliers in April, 2019 and assumed the role of CEO on March 31, 2020. In his role as CEO, Brian is responsible for driving growth and establishing the strategic direction of the business in Canada.

Prior to being appointed President and CEO in March 2020, Brian served as Chief Operating Officer I Canada at Colliers. An experienced General Manager, Corporate Strategist, Sales Leader, and Marketer, Brian worked at Iron Mountain for over a decade before joining Colliers, serving most recently as Senior Vice President and General Manager, Canada. Brian has had extensive experience in both the US & Canada and prior to Iron Mountain was a Corporate Strategist at Avon Products and Management Consultant at Marakon Associates.

Brian holds an MBA from Harvard Business School and an undergraduate degree in Molecular Biology from Princeton University.


Luke Dawson is the Head of Global and EMEA Capital Markets for Colliers. He has over 17 years of experience with Colliers and over 20 years of working in the real estate industry, where he has be based in various locations across Europe, North America and the Middle East. In addition to his extensive track record in real estate transactions, Luke has deep experience in corporate transactions, mergers & acquisitions, asset management and business leadership.

As Head of Global Capital Markets, Luke is responsible for setting the global strategic agenda for Capital Markets, which includes advising clients, growing our global Capital Markets Platform, and connecting capital with opportunities across all asset classes around the world.

As Head of EMEA Capital Markets, Luke is responsible for executing regional strategy and driving the growth of the Capital Markets service line. He is focused on building and leveraging cross-border relationships at the decision-making level and working with our local teams to identify trends and opportunities.

Before leading the Global and EMEA Capital Markets team, Luke held regional leadership and Capital Markets positions across Europe. He led several significant cross-border transactions, extensively grew several businesses and is a well-known figure in the industry.


Scott Nelson is CEO, Occupier Services | Global, responsible for strategy and leadership of both Occupier Services and Corporate Solutions business units. He plays a key leadership role to provide seamless account management that integrates Colliers services and technologies for clients.

Scott has worked with major corporations and some of the most recognized global brands to develop an in-depth understanding of their key business strategies, create a customized real estate solution to meet their objectives, and deploy a team to execute the strategy. These projects have resulted in real value creation opportunities for clients in the area of real estate occupancy cost reduction, business intelligence technology deployments, process improvements, CRE organizational design, maximized real estate flexibility, capital and expense plan re-positioning, among others. Previously Scott has personally handled more than 250 transactions in his career exceeding $700 million in total value throughout the U.S. and globally.


Kevin Haney is President and Chief Executive Officer for Colliers Engineering & Design. He is responsible for the direction and execution of the firm’s strategic plan, administration of the technical disciplines and business development activities.

Kevin is a professional licensed engineer with over 25 years of combined experience in civil/site engineering consulting for retail, commercial, industrial, institutional, and residential developments. He possesses seasoned relationships with numerous municipal, state, and federal agencies, and has additional experience in litigation support. Kevin received his B.S. in Civil Engineering at Widener University.


David Juran is President and Chief Executive Officer of Colliers Mortgage. Under his leadership, Colliers Mortgage has grown to one of the largest privately owned multifamily mortgage lenders in the United States. Prior to joining Colliers Mortgage, David served as Senior Vice President of a regional investment banking firm for over 13 years. He has developed particular expertise in programs supporting the creation of multifamily housing, affordable housing and senior housing. He graduated with a Bachelor of Arts from the University of St. Thomas.


Brent Thomas leads Colliers Engineering & Design in Australia. He is experienced in the planning, design and delivery of major urban development projects. He has specific expertise in due diligence and development advisory, project planning, scope management, Infrastructure Agreement negotiations, design management, cost estimating, tender and contract documentation, contract administration and Superintendent services.

Brent is a Registered Professional Engineer Queensland (RPEQ), Fellow of Engineers Australia, a Chartered Professional Engineer (CPEng) and registered on the National Engineering Register (NER). He holds an Executive Master of Business Administration from the Queensland University of Technology.

Investment Management Leadership


Christopher (Chris) Merrill is Co-Founder, Chairman and CEO of Harrison Street. Prior to co-founding Harrison Street, Chris was a partner, owner and managing director of a large U.S. pension fund advisory firm where he developed the firm's presence in Europe, creating the first real estate funds exclusively targeting Central Europe, which became one of the top 10 performing global funds between 1996-2000.

Chris was named 2022 Global Industry Figure of the Year by Private Equity Real Estate (PERE) and one of the 10 to watch leaders in the industry by National Real Estate Investor magazine. He earned his MBA in the evening from the CASS school of business in London, England.


Rob Gregor is the Managing Partner of Basalt Infrastructure. Prior to Basalt, Rob was Head of European Infrastructure at AMP, where he founded and managed its European infrastructure investment business. He oversaw transaction origination and execution, portfolio management and asset management for AMP’s European managed infrastructure funds and was director of a number of AMP’s European portfolio companies. He has previously worked at Bankers Trust, TNT Limited, and Ernst and Young.

He holds a Bachelor of Commerce from the University of Canberra, a Master of Commerce (Accounting and Finance) from the University of Sydney in Australia, and a Graduate Diploma in Applied Finance and Investment from the Financial Services Institute of Australasia.


David Becker is a Managing Partner of Rockwood Capital. He serves on Rockwood’s Management Committee and works alongside Tyson Skillings to set the overall strategic direction of the firm and manage the execution of critical firm initiatives. David also focuses on the structuring and execution of investments and firm-sponsored investment vehicles.

Prior to joining Rockwood, David was an attorney at Battle Fowler LLP, and subsequently at Paul Hastings, Janofsky & Walker LLP, where he represented real estate clients, including developers, private equity funds and REITs, and corporate clients on a broad array of matters including joint ventures, public and private mergers and acquisitions, fund formations and securities offerings.

David received a Bachelor of Arts, cum laude, from Duke University and a Juris Doctor, with a concentration in Business Law and Regulation, from Cornell Law School.


Tyson Skillings is a Managing Partner of Rockwood Capital. He serves on Rockwood’s Management Committee and works alongside David Becker to set the overall strategic direction of the firm and manage the execution of critical firm initiatives. Tyson oversees the firm’s capital raising efforts.

Tyson previously worked at EY Kenneth Leventhal Real Estate Group. He received a Bachelor of Business Administration with an emphasis in Finance from the University of Notre Dame and a Master of Real Estate Development from the University of Southern California. Tyson is an Executive Committee Board Member for USC Lusk Center and a full member of Urban Land Institute where he is part of an Industrial Office Council.


Mark Quam is a Founding Partner and CEO of Versus Capital. Previously, Mark founded and led other firms including Welton Street Investments LLC, Welton Street Holdings LLC, Dividend Capital Trust and Dividend Capital Securities LLC. He was also active in real estate development as a director of construction and project management. Mark holds a degree in Finance from the University of Arizona and attended the Masters Program in real estate finance and construction at the University of Denver.


Ofer Arbib is CEO of Colliers Global Investors | Italy. In 2001, Ofer was the CEO of Elitrade, where he oversaw the valuation, acquisition, disposal and division of many real estate portfolios. In 2005, Elitrade became Colliers Elitrade, now Colliers International Italia, a leading international real estate advisory service provider, which Ofer managed as CEO for eight years. In 2012, Ofer and other partners acquired Antirion SGR, and he was named CEO in 2018.


Arnaud Broussou is the President of Colliers Global Investors | France. Previously, he was the head of AEW’s Institutional Asset Management department and key account manager responsible for AEW’s three major institutional client mandates in France. At the start of his career, Arnaud was an asset and fund manager in the residential and hospitality sectors at a different investment management firm, then oversaw its German and Austrian investment platforms as a deputy managing director. Arnaud is a former high-level fencer, Arnaud graduated from EM Lyon Business School.


Nigel Holroyd is Head of Colliers Global Investors | UK, with responsibility for total assets under management in excess of £900m and for new business development. He has more than 30 years of experience in the UK commercial property market. As a manager of funds that have outperformed their respective benchmarks, his role includes the formulation of investment strategies, implementation of purchases and sales, client liaison, overseeing performance analysis, valuations and asset management. Nigel holds an Honours Degree in Urban Estates Surveying, is a member of the Royal Institute of Chartered Surveyors and of the Investment Property Forum and is an approved person with the Financial Conduct Authority.