CWN's Board shapes and drives the strategy and mission of our network


Brenda Trenowden

President Emeritus

Brenda D.H. Trenowden, CFA, is at ANZ, where she leads the Financial Institutions Group in Europe. She sits on the UK Management Board and is an executive director of ANZ’s UK Bank subsidiary, ANZ Bank (Europe) Ltd, as well as all of ANZ’s other UK subsidiaries.

Ms. Trenowden has established a history of building international businesses and teams and managing complex client relationships across the globe. She has lived and worked in a number of different countries in Asia, Europe, and North America and has worked for some of the world’s largest banks, including Citi, BNP Paribas, Lloyds Banking Group, and BNY Mellon. Ms. Trenowden is the global chair of the 30% Club.


Sandy Lucas


Sandy Lucas is the HR Director, Alexander Mann Solutions. Sandy had a 23 year career at GE spanning both consumer and commercial finance where she successfully developed her career in marketing, sales, operational excellence, quality and business management.

She was appointed Chief Operating Officer for GE Capital UK, in January 2013, heading up the Operations, IT, Sourcing, BCM and Strategic Projects functions. She is a certified GE Quality Leader.

Sandy champions gender diversity: she co-leads the EMEA community of the GE Women’s Network which spans 35 countries.


@DonnaHalkyard1Donna Halkyard

Vice President

Donna has successfully worked with multi-sector global companies including Ford Motor Company, BAE Systems, Royal Bank of Scotland and KPMG for over 20 years.

With expertise in Diversity & Inclusion, Human Resources and Corporate Responsibility she enables companies to improve business results through optimising their people engagement and development capabilities and enhancing their position in the marketplace. She has led award-winning programmes and gained recognition for thought-leadership on behalf of these companies.

Donna holds an MBA from Henley Business School and is a Fellow of the Chartered Institute of Personnel & Development. She is also a Six Sigma Black belt, leveraging lean methodologies to improve people processes and outcomes.

Donna lives in London with her husband and two children. She is motivated by helping people to achieve their potential and creating greater access to opportunities. She serves on the Board of CWN, is a Freeman of the City of London and a Liveryman in The Worshipful Company of Coachmakers and Coach Harness Makers. Donna also volunteers for the Association for the Blind.

Karin Barnick

Charity Committee Chair

Karin Barnick is a Senior Client Partner in Korn Ferry’s London office and member of the firm’s Global Financial Markets practice. Korn Ferry is the world’s largest executive search firm and a leading provider of global talent management services globally.

Karin specialises in the broader Pensions and Investment Management sector and over the past 17 years, she has successfully completed high level search assignments including Chief Executive Officers, Non-Executive Directors and senior executives. Prior to Korn Ferry she was a Partner at Whitehead Mann, the UK’s premier Executive Search firm. Previously, Karin worked in capital markets; she began her career at Morgan Stanley and also spent several years at Skandinaviska Enskilda Banken.

Karin is a member of Korn Ferry’s International Mentoring Programme and a spokesperson for the firm’s Diversity initiatives. Having lived in a number of different countries, Karin graduated from Lille University, France. She is fluent in Swedish and French.

@sallyetoddSally Todd

Communications Committee Chair

Sally joined Northill Capital in January 2014 as Director of marketing and communications. Prior to joining Northill, Sally was Managing Director of MHP Communications, and Partner at Engine, MHP’s parent company and the UK’s largest independent marketing and communications group.

Previously, Sally was Managing Partner at Penrose Financial, the financial services and asset management public relations advisor, one of the three founding consultancies that joined to create MHP Communications in October 2010. At both MHP and Penrose, Sally focused on investment, advising leading asset management and pensions businesses operating globally and in the UK on strategic communications including product placement, public policy, transactions and crisis management.

Prior to joining Penrose, Sally spent four years at Moore Capital Management, a private investment management firm, within the London-based Strategy Group. She began her public relations career advising the technology and electronics sector before moving into financial services in 1997.

From 2012 to 2014 Sally served on the Girls Cricket Board of Chance to Shine, a charitable campaign launched in 2005 by Lord Mervyn King, for which she remains an ambassador.

Sally is a Freeman of the Worshipful Company of Marketors and a mentor with the Cherie Blair Foundation.
Sally holds an MSc Science and Technology Studies (Thesis Distinction) from the Research Centre for Social Sciences at the University of Edinburgh, and an MA (Hons) French and German from the University of Edinburgh.

@MaddersVMadelaine Verchere

Digital Committee Chair

Madelaine is knowledge analytics and measurement leader at EY with experience in knowledge management, content strategy, management and optimization. She has led global intranet publishing teams and driven strategic knowledge initiatives that drive performance improvement. She started her career in professional services, and has worked for venture capital backed internet businesses. Madelaine is an advocate of flexible opportunities for parents, and at weekends can be found running around the English countryside.

Maria Mackenzie

External Relations Director

Maria Mackenzie is a Senior Lawyer at ANZ, responsible for advising the London and EMEA Offices on a range of Banking and Finance, Regulatory and Company Secretarial matters. Prior to this, Maria was a Senior Associate at Allen & Overy LLP for over five years where she acted on cross border Leveraged Finance and Syndicated Lending transactions.

Maria graduated with a Bachelor of Laws (First Class Honours) and Bachelor of Business (Finance Major) and is admitted to practice in New South Wales (Australia) and England and Wales.Maria is passionate about wellbeing and promoting resilience, and enjoys learning about nutrition. She is fluent in Portuguese and is keen to promote diversity and learn about new cultures.

Angela Cha

Membership Committee Co-Chair

Angela is a solicitor with over twenty five years' experience specialising in commercial and legal risk management advice to clients largely in the financial services sector. She spent twenty years at the international law firm Pinsent Masons working in the London and Hong Kong offices. Now with a portfolio caree Angela continues to practice as a solicitor on a consulting basis with Halebury. Angela is Non-Executive Director at the Bath Building Society (main Board, Risk Committee and Remuneration Committee). She supports the NSPCC serving on the fund raising committees for the City Fine Wine Challenge and the Great British Chefs Dinner.


Jacqui Moore

Membership Committee Co-Chair

Jacqui is a Business Excellence Leader for GE Capital UK, Commercial Finance. With experience of delivering multi million pound programmes and leading operational business transformation both in the UK and abroad, her expertise includes the specialist fields of change and programme management. Leveraging this expertise alongside performance improvement, stakeholder and commercial/financial management, her current role enables growth and simplification through the identification and delivery of large scale business transformation initiatives. In addition to her MSc in Change Management, Jacqui is Prince2 qualified and graduated with a BA Hons in Accountancy and Finance.

Supporting the GE Women’s Network through her role as External Networks Lead for London, she is also actively engaged as a volunteer Mentor via Career Academy UK. Connecting Mentors with students from schools and colleges in urban areas of social need, who may have little family background of higher education or experience of social mobility, the charity enables an 18 month programme of mentoring support.

Alison Hood

Operations Director

After graduating in biochemistry at Kings College London, Alison joined Tullett & Tokyo where she held a number of positions including interest rate broker and market data analyst. From there she joined Knight Ridder to run the business development team and then joined the niche financial services consulting firm, TCA. She spent 5-years at TCA while also completing an MBA with the Open University.

After TCA Alison delivered a number of independent consultancy assignments before joining Citi in 2005 as the head of the Business Initiatives Group. In 2007 she moved to run Strategy, Planning & Controls for EMEA technology. Alison joined Nomura in July 2010 as the Technology CAO and it was whilst in this role that she became both a Trustee for The Brokerage CityLink and a member of CWN.

Alison moved to HSBC In November 2013, where she provides programme management services to the Global Risk function.

Maria Bentley

Professional Development Committee Chair

Maria Bentley joined Nomura in January 2013 as Senior Managing Director, Global Head of Human Resources for Wholesale and Head of Human Resources for EMEA. Maria had previously worked at UBS for 8 years as Global Head of Human Resources for UBS Investment Bank and Group Managing Board member.

Maria was also at Goldman Sachs from 1990-2004, first in Fixed Income Sales and then becoming Head of HR for Equities and Fixed Income in 2002. Before that she was with Credit Suisse First Boston in Fixed Income Sales from 1985-1991, and from 1981 at Chemical Bank as a Credit Analyst and Corporate Loan Officer.

Maria lives in London with her husband and two teenage children, and when not working is involved in music and education charities.

Sarah Brakebill


Sarah Brakebill joined the Investor Relations team at Omni Partners in October 2015 and is responsible for marketing Omni’s secured lending strategy to investors.

Prior to joining Omni, Sarah was a Sales Manager and Vice President in the Global Financial Institutions Group at BNY Mellon Investment Management and was responsible for managing sales relationships with complex, cross-border institutions, wealth managers and family offices. She joined BNY Mellon in 2010 in the Corporate Trust department before moving into a Business Development role in Global Client Management, which focused on growing business with strategic clients across the breadth of the company’s product and service offering.

Prior to moving to London, Sarah worked in the United States at Seattle Bank and MFS Investment Management. She earned an MSc Management degree with Distinction from Cass Business School, City University London and a BSc Psychology degree from Northeastern University

Sarah was selected as one of WeAreTheCity’s five Rising Stars in Investment Management in 2015. She is an active volunteer with the Junior League of London, an organisation committed to promoting voluntary service, developing the potential of women and improving the community through the effective action and leadership of trained volunteers.

Claire Betty

Social Committee Co-Chair

Claire is a commercial lawyer with over 12 years’ experience working in both private practice and in-house. In recent years she has worked on large scale commercial property projects including the development of the Westfield site at White City, and subsequently in financial services as Assistant General Counsel to a pension scheme. From there Claire joined Royal Mail as senior legal counsel. Her focus is on advising on transformation, specifically distribution and network access subsequent to Royal Mail becoming a publicly listed company.

Claire has been a member of CWN since 2012, and an active member of the social committee during that time, helping to organise the Gala dinner and summer drinks among other events. She lives in South West London and enjoys travel and exercise. Claire is also a qualified yoga teacher, with a particular interest in the role of yoga and mindfulness in stress management and the corporate environment.


Nicolette Wykeman

Social Committee Co-Chair

Nicolette Wykeman, who is originally from the Netherlands, has a Masters in Information Management from the University of Amsterdam and worked for 10 years in the telecommunications research and consultancy industry. She retrained as a career coach in 2003 and successfully ran her own coaching and recruiting business in Amsterdam for five years before moving to London in 2009.

Nicolette has been a member of the CWN since 2010. After two years volunteering on the Membership Committee, she joined the Social Committee two years ago.

Nicolette runs her own coaching business in London and is currently studying for a Post Grad in Career Guidance at the London Southbank University. She is an active volunteer for the Charity MyBigCareer, giving career guidance to disadvantaged children in different State Schools in the UK. She is also the Chair of the University of Amsterdam Alumni Group in London and in her spare time she enjoys running and rowing at the London Rowing Club in Putney.

Isabella Reggio


Isabella is partner at nest321, a consulting company connecting businesses with talented independent consultants to solve critical strategy and operational issues and providing project delivery capability. She specialises in business transformation and change.

She has a corporate background including a 15 years international career with GE Capital, where she held several roles across different business and geographies, gaining cross functional experience including Finance, Six Sigma, Asset Management and Operations. In 2010, she moved to consulting, working with corporate blue chip clients leading and delivering change programmes in Operational Excellence, sales force effectiveness, systems implementation, outsourcing and organizational re-design. In 2015 she co-founded nest321.

Isabella is energetic and entrepreneurial, and deeply believes in the power of collaboration.

She is an Italian national, with a degree in Business Administration from Bocconi University in Milano, has lived in Italy, France and the Netherlands, and is based in London since 2002.