Managing Director Ken Jacobs has an enviable reputation in the industry for initiating the sale and marketing campaigns for many of Australia's most exclusive properties. He has broken records in almost every area of the prestige property market. Personal benchmarks achieved by Ken since the launch of Christie's Great Estates in Australia in 2000 include:

- Highest Australian residential sale for 2001
- First Australian home to sell in excess of $20,000,000
- Transacted four of the top five apartment sales in 2002
- Set highest dollar per square metre rate for an apartment
- Highest Australian Apartment sale in 2002
- Highest Australian apartment sale 2003
- Set the record for Australia's highest residential sale under the hammer at auction
- Set record residential sale prices in Watsons Bay, Sydney CBD, Elizabeth Bay, Glebe Point, Darling Point, Woolloomooloo, Dural, Bayview, McMahons Point & Dover Heights
- Achieved the highest average sale price of any residential agent in Australia
- Sold three of the top ten sales for 2003

Prior to launching the Christie's Great Estates brand in Australia Ken held positions at Director level of several international commercial real estate firms.