Trending on peHUB this week: disgruntled LPs, Twitter, Dick Costolo, Marc Andreessen, TPG, Quintiles, Northern Tier, Apollo, Blackstone, NYSTRS, Grotech Ventures, LBO returns and CTI Foods

This week peHUB is showcasing a director vacancy in the life sciences space, plus accounting and real estate openings at two top buyout houses based in London and New York. There are also two private equity posts looking to be filled at New York State Teachers’ Retirement System.

This morning find out about Apollo investors and founders selling shares; Google maps’ facelift; how to get airtime with a VC and the top jobs in the digital media space.

Financial and private equity investors Icahn Enterprises, Apollo Global Management, First Reserve and SK Capital ranked among the top 10 acquirers among the major 2012 deals in the chemical sector, according to a new survey flagging brisk activity in the sector.

Global cruise line operator Norwegian Cruise Line Holdings Ltd nearly doubled the estimated size of its initial public offering to up to $487.1 million from $250 million.

This morning find out about Secura’s new real estate venture capital fund; the pros and cons of enterprise investing and whether the Holy Land has what it takes to build a life sciences cluster.

This morning’s First Read brings news of Apollo’s latest fundraising, a private equity identity crisis and Blackstone’s new solar program.

Take five minutes with this morning’s First Read to find out about David Rubenstein’s panda joy, Apollo’s CLO market and what ten states are consuming the most of our energy resources.

It’s direct energy investments that are boosting The Public Employee Retirement System of Idaho’s private equity portfolio, according to its Private Equity Performance Summary by Investment.