Oman: Sultan and PM - Qaboos bin Said al Said

 Pakistan: President - Mamnoon Hussain, PM - Nawaz Sharif

 Palau: President - Tommy Remengesau

 Palestine: President - Mahmoud Abbas, PM - Rami Hamdallah

 Panama: President - Juan Carlos Varela

 Papua New Guinea: Queen - Elizabeth II, Governor-General - Sir Michael Ogio, PM - Peter O'Neill

 Paraguay: President - Horacio Cartes

 Peru: President - Ollanta Humala, President of the Council of Ministers - Ana Jara

 Philippines: President - Benigno Aquino III

 Poland: President - Bronisław Komorowski, PM - Donald Tusk

 Portugal: President - Aníbal Cavaco Silva, PM - Pedro Passos Coelho

 Qatar: Emir - Sheikh Tamim bin Hamad Al Thani, PM - Sheikh Abdullah bin Nasser bin Khalifa Al Thani

 Romania: President - Traian Băsescu, PM - Victor Ponta

 Russia: President - Vladimir Putin, Chairman of the Government - Dmitry Medvedev

 Rwanda: President - Paul Kagame, PM - Anastase Murekezi

Saint Kitts and Nevis: Queen - Elizabeth II, Governor-General - Sir Edmund Lawrence, PM - Denzil Douglas

 Saint Lucia: Queen - Elizabeth II,Governor-General - Dame Pearlette Louisy, PM - Kenny Anthony

 Saint Vincent and the Grenadines: Queen - Elizabeth II, Governor-General - Sir Frederick Ballantyne, PM - Ralph Gonsalves

 Samoa: O le Ao o le Malo - Tufuga Efi, PM - Tuilaepa Aiono Sailele Malielegaoi

 San Marino: Captain Regent - Valeria Ciavatta, Captain Regent - Luca Beccari

 São Tomé and Príncipe    President - Manuel Pinto da Costa,PM - Gabriel Costa

 Saudi Arabia: King and PM - Abdullah

 Senegal: President - Macky Sall, PM - Mohamed Dionne

 Serbia: President - Tomislav Nikolić, PM - Aleksandar Vučić

 Seychelles: President - James Michel

 Sierra Leone: President - Ernest Bai Koroma

 Singapore:   President - Tony Tan, PM - Lee Hsien Loong

 Slovakia: President - Andrej Kiska, PM - Robert Fico

 Slovenia: President - Borut Pahor, PM - Alenka Bratušek, PM-designate - Miro Cerar

 Solomon Islands: Queen - Elizabeth II, Governor-General - Sir Frank Kabui, PM - Gordon Darcy Lilo

 Somalia: President - Hassan Sheikh Mohamud, PM - Abdiweli Sheikh Ahmed

 South Africa: President - Jacob Zuma

 South Korea: President - Park Geun-hye, PM - Jung Hong-won

 South Sudan: President - Salva Kiir Mayardit

 Spain: King - Felipe VI, President of the Government - Mariano Rajoy

 Sri Lanka: President - Mahinda Rajapaksa, PM - D. M. Jayaratne

 Sudan: President - Omar al-Bashir

 Suriname: President - Dési Bouterse

Swaziland: King - Mswati III, PM - Barnabas Sibusiso Dlamini

Sweden: King - Carl XVI Gustaf, PM - Fredrik Reinfeldt

Switzerland  Federal Council: Doris Leuthard, Eveline Widmer-Schlumpf, Ueli Maurer, Didier Burkhalter (President), Simonetta Sommaruga (Vice President), Johann Schneider-Ammann, Alain Berset

 Syria: President - Bashar al-Assad, PM - Wael Nader Al-Halqi

As on August 17, 2014 (Pl keep on updating from authentic source)

Contd.