About Us


Our rich history of achievement that dates back to 1999, is an indication of the proficiency that has always been part of Ruwacon’s management at various levels in the organisation. Valentine Rantsoareng chairs the Board of Directors of Ruwacon with Pieter Ruthven as CEO, Hansie Rheeder as Financial Director and Pretty Rantsoareng, the Marketing Director. Management at Ruwacon has irrefutably committed themselves to practice the Corporate Governance principles of integrity, respect and transparency. These ethos forms the basis for managing all our operations, systems and structures, as well as our organisational culture. Management believes in a hands-on approach and our regional management structure ensures direct and regular management intervention at a site level. Transformation is driven at the highest level and pro-active measures are taken to ensure that Ruwacon comply with the BBBEE codes as stipulated by Government.

About Us

Group Structure

About Us

Executive Committee

Valentine Rantsoareng

Chairperson, Non-executive Director

As shared owner of the Rantsoareng Hotel Group, Valentine has distinguished himself within the hospitality sector in that the group owns and successfully operates various hotels and lodges within the Free State province. His business acumen would greatly strengthen Ruwacon’s top management capacity in that Valentine is involved as a non-executive director, bringing with him vast experience gained as inter alia a director of First National Bank.

Pieter Ruthven

Chief Executive Officer (National Diploma: Civil Engineer)

Pieter commenced his career in 1992 at Murray & Roberts as a Civil Engineer Technician. He joined Stocks Civils in 1994 and was appointed Site Agent in 1995 for the Airport Runway rehabilitation project and the Free State Athletics track. He was promoted to Contracts Manager in 1996 for Stocks and Stocks and held the position of General Manager from 1997 to 1999 before he resigned to start his own company, Ruwacon. He has gained extensive construction experience over the years in areas such as bulk water supply, road maintenance and rehabilitation projects and in tendering for projects.

Palesa Pretty Rantsoareng

Marketing Director (Diploma in Education)

Palesa left the Education profession after 10 years of teaching. She has since acquired an array of business skills as owner of enterprises in the hospitality and construction industry. Palesa’s involvement with Ruwacon started in 2007 when her company, Promania, formed part of the Joint Venture for the upgrading of the Free State Stadium. She joined Ruwacon in May 2010 as Marketing Director.

Hansie Rheeder

Financial Director (B.Compt. Hons CA(SA), Advanced Certificate in Taxation and M. Comm. Forensic Accounting)

Hansie qualified as a Chartered Accountant in 1998. He completed his articles at Coopers & Lybrand (today PWC). He joined the SA Revenue Services in 1999 as a Criminal Investigator. He served as the Regional Manager for the Audit & Criminal Investigation divisions for the Free State & Northern Cape between 2005 and 2008. He successfully completed the Advanced Certificate in Taxation (CERTAX) – (1999); Certificate in Criminal Justice & Forensic Auditing – (2000) and the M. Comm. Forensic Accounting (Cum Laude – 2009). He joined the Ruwacon group in October 2008 as Financial Manager.

Kosta Diamantakos

He has a wealth of managerial, finance and organisational transformation knowledge. Kosta has a history reflecting financial and Corporate acumen with credibility. His application of the relevant skills, values and attitudes demanded in a corporate accountability environment have been commended.

His directorship at Barlow Rand’s subsidiary (USEA) SBSA, UBS, AND ALPHA BANK attest to the above. He is respected for the expertise in his responsibility for the domain of the acquisitions, asset finance, credit, acquisitions and levies. Kosta is the respected, recognised and valued by all internally and externally.

Kosta holds a post graduate qualification in the fields, Master in Engineering, Masters in Accounting and Master in Business Administration.

Keith Michael

Keith Michael is one of South Africa’s most notable and successful emerging entrepreneurs. His corporate demeanour, entrepreneurial prowess and economic performance within five years of being in business was endorsed with a Finalist Award for The World Entrepreneur Award 2005 the South African Chapter.

Reputable magazines and newspapers like The Financial Week and The Business Day have cited Keith as a Change Manager, a Creator of Growing Business Ventures and a Humanitarian Manager with Integrity. His primary achievements focused on broad based black economic empowerment in developing and implementing strategies to include the previously disenfranchised in every business venture he initiates.

His productive history includes a passion for Community Development and Support initiatives. Challenges faced during his establishment years have afforded him the opportunity to function at maximum potential and are reflected in his Acquisition Management and his accountable and responsible control of budgets and managing people to reach their potential.

Keith holds a Bachelors Degree of Commerce and Marketing and a Master’s Degree in Business and Administration, together with Marketing Diploma and various Certificates in Business and management.

About Us

Legal Documentation

BEE Certificate
CIDB Rating
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