The Johannesburg Development Agency (JDA) celebrates 20 years in existence this year and the City of Johannesburg (CoJ) says the agency will aim to further advance its impact over the next ten years by building a welcoming, competitive and resilient city to live, work and play in. The agency has undertaken more than 1 000 projects throughout Johannesburg and its capital expenditure over the past 20 years was about R12-billion.