John is an Executive Director of CBRE Limited and the Managing Director of the Northern business. John also sits on CBRE’s UK Board.

John joined CBRE in 2006, becoming an Executive Director in the Office Agency Team and was subsequently appointed Managing Director of the Northern Region encompassing the Leeds, Liverpool and Manchester offices.  John has been an Associate of the RICS since 1998.

John specialises in office leasing, acquisitions and providing strategic development advice. His approach is highly entrepreneurial and he is constantly seeking to innovate ways to differentiate space and target occupiers.

John is involved in several City Centre office development projects including Ask’s Embankment and First Street, Baring’s Landmark building on Oxford Road, Bruntwood’s SciTech portfolio, Landsec / Peel’s MediaCity and Aviva / Allied London’s Enterprise City.  He also acts on behalf of some of Manchester’s largest corporate occupiers including Rolls Royce, Lloyds and HSBC.

John has over 16 years’ development experience, the majority of which has been gained during his time at Ask, delivering highly complex, city centre office, leisure and retail projects. John joined the Board and became a shareholder in 2008 and has worked closely with some of Ask’s key strategic partners including Manchester City Council, Salford City Council and Network Rail.

Alex drives the company’s partnership strategies, forging new development opportunities with national and global Institutional Investment Funds, and works directly with Local Authorities to unlock complex sites and deliver developments that impact positively on the region’s economic growth.

Alex oversees the company’s diverse sector portfolio, identifying initiatives to add value through sustainable property management and service provision as well as seeking acquisition opportunities. Working with an influential roster of partner and occupier connections, Alex brings forward-thinking strategies to the portfolio, that are focused around current and future market demand.

A qualified Chartered Surveyor, Alex has in-depth market knowledge and significant business relations, acquired throughout a successful career in commercial property, including as Head of Offices at CBRE Manchester, Associate Director at WHR Property Consultants and Dunlop Haywards.

Shannon is passionate about creating communities for all ages and all levels of affordability. She maintains an open mind when it comes to approaches, solutions, and partnerships. Her avid interest in emerging trends and research helps keep us ahead of the residential curve. She has worked in residential property since 2003, racking up 15 years experience at JLL where she was a Lead Director. Shannon has known Guy and Ian for over 15 years so when she decided to go ‘client-side’ in 2020, Glenbrook was the obvious choice.

Outside of work Shannon loves exploring Europe in a motorhome. She’s strongly committed to sustainability too, including ‘not buying new’ - you’d never guess that all her clothes are preloved! Any spare time she has is devoted to testing cookbook recipes with her daughter and posting her reviews on Instagram.

Shannon sits on the board of her local Community Land Trust (CLT), participates in the GMCA Housing, Planning and Ageing Working Group, is a guest lecturer at Liverpool John Moores University and Sheffield Hallam University, and, as a past Chair of Women in Property, now holds a committee role.

Joe Rigby is Managing Director of CBRE's Northern business, overseeing the Manchester, Liverpool, and Leeds offices. During his decade at CBRE, Joe has held several leadership roles in the North including Head of Occupier Services and Head of Office Agency. Widely regarded as a market leader, Rigby has advised occupiers on several high-profile Manchester deals, including Pinsent Masons and S&P Global at Relentless' St Michael's development which is now fully let.

Peter Graham is a Tax Partner at RSM, based in the Manchester office, specialising in capital tax reliefs.

He also operates nationally as RSM’s tax lead for real estate and construction, an industry he is passionate about due to the people and complex challenges involved in constructing a property. He loves nothing more than putting on his hard hat, high-vis jacket and steel-toe-capped boots to visit a client’s latest construction project.

With over 20 years of experience, Peter advises businesses on ways to optimise their overall tax position. His area of expertise is delivering tax savings to clients who incur capital expenditure on acquisition, construction, extension and refurbishment of commercial properties.

Ian Mayhew is a member of Barings Real Estate, a global real estate platform with extensive investment capabilities across both debt and equity strategies. Ian is Managing Director and Head of UK Asset Management responsible for co-ordinating the asset management of Barings’ UK real estate portfolio. Ian has considerable experience of repositioning central London and regional multi-let offices through refurbishment and redevelopment ensuring that ESG principles are integrated throughout. [Prior to joining Barings in 2007, Ian was a senior asset manager at Derwent London plc, a FTSE 250 listed UK property company and real estate investment trust. Before joining Derwent London, he worked in the general practice and asset management divisions of global property advisers DTZ (now Cushman & Wakefield) and CBRE. Ian is a Member of the Royal Institution of Chartered Surveyors (MRICS), and holds a BA (Hons) degree in Geography, and an MA degree from City University in Property Valuation and Law.]

Lee Treanor is Director at HBD, an award-winning developer with seven offices across the

country. He benefits from more than 20 years’ experience within Manchester’s office market

having also held roles with Bruntwood, where he was Development Director, and Avison Young.

As workspace lead at HBD, Treanor is responsible for spearheading several of its most high-

profile schemes, including Island, a £66m net zero office scheme in the heart of Manchester city

centre, and St John’s; a key site in Manchester’s St Johns district, whilst also sourcing new

development opportunities.

Buro Four is an independent, specialist project management consultancy with offices across the UK. Their long established Manchester office works closely with clients including Muse Developments, McLaren Developments, Legal & General, Bruntwood and University of Manchester to deliver transformational projects and master plans across the region.

David sits on the Executive Board at Buro Four and is responsible for building Buro Four’s excellent reputation in the regions, driving its success across the sectors, including Life Sciences and urban regeneration and place making.