The speaker outlines five straightforward strategies to enhance goal achievement. The first strategy is writing down goals, which research from the Dominican University shows can increase the likelihood of achieving them by 42%. The second strategy involves regularly reviewing these goals to engage the brain's reticular activating system, which helps focus attention on relevant information. The third strategy is monitoring progress, as studies show that regular progress checks significantly boost goal attainment. The fourth strategy, mental contrasting, involves visualizing both the desired outcome and potential obstacles, then planning to overcome these obstacles. This method, known as the WOOP method, enhances goal achievement. The final strategy is tying goals to an identity, which increases commitment and consistency in pursuing goals. The speaker emphasizes the importance of not setting too many goals to avoid burnout, referencing Cal Newport's book 'Slow Productivity' for further insights.