Tom Welsh
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Joanne Milner has been appointed chief executive at Debrett’s, the etiquette authority and provider of luxury products and insurance. She joins from leading LDC, the mid-market private equity house. Milner will use her experience of business in China and Hong Kong to drive forward Debrett’s future plans in the region.

The clean energy products developer has appointed Jonathan Marren as its chief financial officer. He was most recently head of corporate finance at Singer Capital Markets, and also served as director in the corporate department at Peel Hunt between 2000 and 2010.

Brookfield Asset Management
David Brush has been appointed managing partner at the alternative asset manager. He previously spent 18 years as a managing director at RREEF, the real estate investment division of Deutsche Bank. Brush has also worked for Bankers Trust’s real estate investment banking group.

Aurum Holdings
The luxury jewellery firm has appointed Elizabeth Galton as director of design creative and product development for jewellery. She was previously creative director at Links of London. Aurum Holdings includes Goldsmiths, Mappin & Webb, and Watches of Switzerland among its brand portfolio.

Alistair Blaxill has been appointed regional vice president for the UK at the human resources software provider. He most recently spent five years at Communisis as executive director, and he has previously held senior positions at Synstar and Hewlett Packard, where he delivered IT services to the firm’s corporate and enterprise clients.

Rate Validation Services
The financial markets service company has appointed Alistair Sykes to its London office as senior manager, client solutions for UK and Europe. He previously worked for 10 years at Markit-Totem as director of OTC interest rate valuations, and also spent two years as a risk analyst at Refco, the former New York-based financial services company.

Shelley Sandzer
Henry Wilson has joined the leasing team at the leisure property agency. He arrived at the firm’s professional services team in 2008, and will work on Shelley Sandzer’s destination projects, including the Bluewater shopping centre in Kent.