CEO summer dancing period

It seems to be the season where serious players recruits serious leaders. During last few weeks, we heard the following confirmed by press release:

• C3DNA has a new CEO with Max Michael coming from IBM, Dr Rao Mikkilineni, co-founder and interim CEO, recently chief scientist is no longer listed on the management page.
• Caringo has promoted Tony Barbagallo from VP Product to CEO, Jonathan Ring moving to a CTO role.
• DataCore finally changed its CEO and Dave Zabrowski came, George Teixeira became executive chariman.
• Datrium just recruited Tim Page as CEO, Brian Biles becomes CPO.
• Griddable.io recently named Robin Purohit as CEO.
• Quantum had an interim CEO with Michael Dodson also CFO.
• Reduxio has a new CEO Ori Bendori.
• Storj Labs invited Ben Golub as CEO.
• Tintri replaced its last CEO Ken Klein who pushed for a miserable IPO by Thomas Barton,
• and Waterline Data appointed Kailash Ambwani, Alex Gorelik moving CTO.