Masioulis enjoyed his best season in 07-08, when averaged in the ULEB Cup 6.4ppg, 3.8rpg and 1.0 bpg.

Career
1996-1997: Sabonis Club
1997-1998: Zalgiris Kaunas (LKL)
1998-1999: Zalgiris Kaunas (LKL)
1999-2000: Zalgiris Kaunas (LKL) - Janova Statyba-Zalgiris Kaunas (D2, starting five)
2000-2001: Zalgiris Kaunas (LKL): 3.9ppg, 3.8rpg; Euroleague: 1ppg; NEBL: 2.6ppg, 3.8rpg
2001-2002: Zalgiris Kaunas (LKL)
2002-2003: Zalgiris Kaunas (LKL): Euroleague: 4 games: 3.5ppg, 4reb; LKL: 11games: 3.1ppg, 2.0rpg, in Feb.'03 was loaned to Tartu Rock (Estonia)
2003-2004: MOL Szolnoki Olajbanyasz (Hungary-A Division, starting five): 13 games: 16.0ppg, 9.2rpg, 0.9apg, 2.2spg, 1.9bpg: released in Jan.'04, the same month was tested at KS Wardbud-Polonia Warszawa (Poland-EBL): FIBA Europe Cup: 1 game: 2pts, 3reb; Polish League: 1 game: 2pts, 2reb but not signed, next month played 3 games for SK Tartu Rock (Estonia-D1): 3 games: 6.7ppg, 5.0rpg, but left due to personal reason, in March '04 joined Sakalai Vilnius (LKL, starting five): 18 games: 10.5ppg, 4.3rpg
2004-2005: Lokomotiv Rostov na Donu (Russia-A Superleague): FIBA Europe Cup: 11 games: 5.5ppg, 4.3rpg, 4ast, FGP: 46.4%; Russian A Superleague: 25 games: 3.3ppg, 2.6rpg
2005-2006: BC Siauliai (LKL, starting five): Baltic League: 31 games: 8.5ppg, 4.1rpg, 2FGP: 53.9%; FIBA Europe Cup: 6 games: 6.7ppg, 3.3rpg, 1.2apg, 2FGP: 54.8%, FT: 37.5%; Lithuanian League: 21 games: 10.0ppg, 6.0rpg, 0.9apg, 0.8bpg, 2FGP: 54.5%, 3PT: 50%, FT: 48.8%
2006-2007: BC Siauliai (LKL, starting five): Lithuanian League: 15 games: 9.1ppg, 4.6rpg, 1.1apg, Blocks-2(1.0bpg), FGP: 46.8%, FT: 45.5%, 3Pts: 0.0%; Baltic League: 26 games: 9.9ppg, 5.8rpg, 1.4apg, Blocks-3(1.1bpg), 2FGP: 43.0%, FT: 58.5%; FIBA EuroCup: 12 games: 10.6ppg, 4.9rpg, 0.9apg, Blocks-3(1.1bpg), 2FGP: 54.3%, FT: 48.2% 2007-2008: BC Siauliai (LKL): Lithuanian League: 24 games: 4.7ppg, 2.9rpg; ULEB Cup: 10 games: 6.4ppg, 3.8rpg, 1.0bpg, FGP: 46.8%, 3PT: 0%, FT: 46.2%; Baltic League (Elite): 19 games: 5.1ppg, 3.5rpg, 2FGP: 48.1%, FT: 51.2%
2008-2009: BC Kyiv (Ukraine-Superleague), in Oct.'08 moved to BC Siauliai (LKL): Lithuanian League: 5 games: 3.4ppg, 2.6rpg; Baltic League (Elite Group): 4 games: 3.3ppg, 2.0rpg; EuroChallenge: 3 games: 2.0ppg, 2.0rpg, in Mar.'09 signed at BC Kaunas Triobet (LKL, starting five): Lithuanian League: 7 games: 7.1ppg, 4.4rpg, 1.0apg, 1.0bpg; Baltic League (Challenge Cup): 2 games: 17.5ppg, 6.0rpg, 1.0bpg

Awards / Achievements
Lithuanian League Champion -98
Lithuanian League Finalist -00
NEBL Finalist -01
Lithuanian LKL All-Star Game -02
Estonian League Semifinals -03, 04
Eurobasket.com Estonian League All-Bosman Players Team -03
FIBA Europe Cup North Conference Finalist -05
FIBA Europe Cup Finalist -05
Baltic League Semifinals -06, 07
Lithuanian League Semifinals -06, 07, 08
Lithuanian Cup Semifinals -08, 09
Baltic League Quarterfinals -08

Player available through partner in Lithuania